0000851310-21-000040 | 10-Q | XBRL Viewer

Selling, general and administrative

^[1]

$ 113,448

$ 73,994

$ 225,024

$ 152,411

Total cost of revenue

52,943

36,221

109,374

77,900

Total gross profit

60,505

37,773

115,650

74,511

Operating expenses:

Research and development

24,783

19,498

48,311

41,621

33,586

27,005

68,497

58,223

Amortization of intangibles

742

507

1,512

Restructuring and related charges

758

Total operating expenses

58,369

47,327

117,358

102,114

Income (loss) from operations

2,136

(9,554)

(1,708)

(27,603)

Interest expense, net

(2,630)

(3,062)

(5,233)

(5,965)

Loss on convertible debt extinguishment

(834)

Other income (expense), net

(147)

(373)

872

(646)

Loss before income taxes

(641)

(13,823)

(6,069)

(35,048)

Provision for income taxes

1,368

1,578

2,064

2,307

Net loss

$ (2,009)

$ (15,401)

$ (8,133)

$ (37,355)

Net loss per share:

Basic and diluted

$ (0.02)

$ (0.16)

$ (0.08)

$ (0.39)

Shares used in per share calculation:

Basic and diluted

101,218

96,727

100,539

96,255

Appliance & Integration [Member]

$ 78,598

$ 42,224

$ 158,574

$ 89,976

Total cost of revenue

40,365

22,784

82,984

49,071

SaaS & Service [Member]

34,850

31,770

66,450

62,435

Total cost of revenue

$ 12,578

$ 13,437

$ 26,390

$ 28,829

[1]	Revenue is attributed to countries based on the location of the customer.

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2021	Jun. 26, 2020	Jul. 02, 2021	Jun. 26, 2020
Net loss	$ (2,009)	$ (15,401)	$ (8,133)	$ (37,355)
Other comprehensive income (loss) before tax:
Change in foreign currency translation adjustments	783	2,839	(2,930)	(280)
Other comprehensive income (loss) before tax	783	2,839	(2,930)	(280)
Provision for (benefit from) income taxes	(57)	(125)	211	31
Other comprehensive income (loss), net of tax	840	2,964	(3,141)	(311)
Total comprehensive loss	$ (1,169)	$ (12,437)	$ (11,274)	$ (37,666)

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Amount of tax expense (benefit) allocated to other comprehensive income (loss).

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CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Convertible Note due 2020	Convertible Note due 2020 Additional Paid-in Capital [Member]	Convertible Note due 2022	Convertible Note due 2022 Additional Paid-in Capital [Member]
Common Stock, Beginning at Dec. 31, 2019		91,875
Balance at Dec. 31, 2019	$ 252,446	$ 92	$ 2,327,359	$ (2,071,940)	$ (3,065)
Net loss	(37,355)			(37,355)
Other comprehensive income (loss), net of tax	(311)				(311)
Issuance of common stock under stock option, award and purchase plans, Shares		2,575
Issuance of common stock under stock option, award and purchase plans, Value	1,951	$ 3	1,948
Stock-based compensation	9,796		9,796
Conversion feature of 2022 Notes	8,254		8,254
Conversion feature of exchanged portion of 2020 Notes	(6,909)		(6,909)
Exercise of warrant, shares		2,413
Excercise of warrant, amount		$ 2
Adjustments to Additional Paid in Capital, Warrant Excercised	0		(2)
Adjustment to APIC - Reclassification from Mezzanine Equity to Equity for Convertible Notes						$ 2,410	$ 2,410
Common Stock, Ending at Jun. 26, 2020		96,863
Balance at Jun. 26, 2020	230,282	$ 97	2,342,856	(2,109,295)	(3,376)
Common Stock, Beginning at Mar. 27, 2020		96,566
Balance at Mar. 27, 2020	236,322	$ 97	2,336,459	(2,093,894)	(6,340)
Net loss	(15,401)			(15,401)
Other comprehensive income (loss), net of tax	2,964				2,964
Issuance of common stock under stock option, award and purchase plans, Shares		297
Issuance of common stock under stock option, award and purchase plans, Value	(220)	$ 0	(220)
Stock-based compensation	3,495		3,495
Conversion feature of 2022 Notes	8,254		8,254
Conversion feature of exchanged portion of 2020 Notes	(6,909)		(6,909)
Adjustment to APIC - Reclassification from Mezzanine Equity to Equity for Convertible Notes						$ 1,777	$ 1,777
Common Stock, Ending at Jun. 26, 2020		96,863
Balance at Jun. 26, 2020	230,282	$ 97	2,342,856	(2,109,295)	(3,376)
Common Stock, Beginning at Dec. 31, 2020		98,204
Balance at Dec. 31, 2020	258,302	$ 98	2,353,559	(2,101,211)	5,856
Net loss	(8,133)			(8,133)
Other comprehensive income (loss), net of tax	(3,141)				(3,141)
Issuance of common stock under stock option, award and purchase plans, Shares		3,590
Issuance of common stock under stock option, award and purchase plans, Value	7,875	$ 4	7,871
Stock-based compensation	12,421		12,421
Common Stock, Ending at Jul. 02, 2021		101,794
Balance at Jul. 02, 2021	267,324	$ 102	2,373,851	(2,109,344)	2,715
Common Stock, Beginning at Apr. 02, 2021		100,993
Balance at Apr. 02, 2021	259,770	$ 101	2,365,129	(2,107,335)	1,875
Net loss	(2,009)			(2,009)
Other comprehensive income (loss), net of tax	840				840
Issuance of common stock under stock option, award and purchase plans, Shares		801
Issuance of common stock under stock option, award and purchase plans, Value	3,100	$ 1	3,099
Stock-based compensation	4,059		4,059
Adjustment to APIC - Reclassification from Mezzanine Equity to Equity for Convertible Notes								$ 1,564	$ 1,564
Common Stock, Ending at Jul. 02, 2021		101,794
Balance at Jul. 02, 2021	$ 267,324	$ 102	$ 2,373,851	$ (2,109,344)	$ 2,715

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jul. 02, 2021	Jun. 26, 2020
Cash flows from operating activities:
Net loss	$ (8,133)	$ (37,355)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation	6,164	5,535
Amortization of intangibles	507	2,462
Stock-based compensation	12,429	9,807
Amortization of convertible debt discount	3,093	3,785
Amortization of warrant	863	868
Foreign currency remeasurement	(1,897)	(89)
Loss on convertible debt extinguishment	0	834
Deferred income taxes	981	1,116
Provision for expected credit losses and returns	2,230	662
Provision for excess and obsolete inventories	1,004	723
Other adjustments	111	207
Changes in operating assets and liabilities:
Accounts receivable	(36,709)	13,024
Inventories	(8,825)	(4,032)
Other assets	882	19,182
Accounts payable	14,544	(14,963)
Deferred revenues	15,553	11,241
Other liabilities	15,642	(12,117)
Net cash provided by operating activities	18,439	890
Cash flows from investing activities:
Purchases of property and equipment	(7,685)	(20,753)
Net cash used in investing activities	(7,685)	(20,753)
Cash flows from financing activities:
Payment of convertible debt	0	(25)
Payment of convertible debt issuance costs	0	(35)
Proceeds from other debts	3,772	9,398
Repayment of other debts	(5,401)	(6,342)
Proceeds from common stock issued to employees	9,068	3,000
Payment of tax withholding obligations related to net share settlements of restricted stock units	(1,194)	(1,049)
Net cash provided by financing activities	6,245	4,947
Effect of exchange rate changes on cash and cash equivalents	(467)	(398)
Net increase (decrease) in cash and cash equivalents	16,532	(15,314)
Cash and cash equivalents at beginning of period	98,645	93,058
Cash and cash equivalents at end of period	115,177	77,744
Supplemental disclosures of cash flow information:
Income taxes, net of refunds	975	809
Interest payments	2,060	2,037
Supplemental schedule of non-cash investing and financing activities:
Capital expenditures incurred but not yet paid	1,140	5,000
Fair value of 2022 Notes used to settle 2020 Notes	$ 0	$ 44,357

Basis of Presentation and Significant Accounting Policies	6 Months Ended
	Jul. 02, 2021
Accounting Policies [Abstract]
Basis of Presentation and Significant Accounting Policies	BASIS OF PRESENTATION The condensed consolidated financial statements have been prepared in accordance with U.S. generally accepted accounting principles ("U.S. GAAP") and include the accounts of Harmonic Inc. and its controlled subsidiaries (collectively, “Harmonic” or the “Company”). Intercompany accounts and transactions have been eliminated in consolidation. In the opinion of management, the unaudited condensed consolidated financial statements reflect all adjustments (consisting only of normal recurring adjustments) necessary for a fair presentation of the Company's financial position as of balance sheet dates and its operating results and cash flows for the interim periods presented. Operating results for the three and six months period ended July 2, 2021 are not necessarily indicative of the results that may be expected for the fiscal year ending December 31, 2021. These unaudited condensed consolidated financial statements should be read in conjunction with the Company's audited consolidated financial statements and notes included in the Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2020. The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from these estimates. Certain prior period balances have been reclassified to conform to the current period’s presentation. These reclassifications did not have a material impact on previously reported financial statements. The Company’s significant accounting policies are described in Note 2 to its audited Consolidated Financial Statements included in the 2020 Form 10-K. There have been no significant changes to these policies during the six months ended July 2, 2021.

Recent Accounting Pronouncements	6 Months Ended
Recent Accounting Pronouncements	Jul. 02, 2021
Accounting Changes and Error Corrections [Abstract]
Recent Accounting Pronouncements	In August 2020, the Financial Accounting Standards Board (“FASB”) issued ASU No. 2020-06, Accounting for Convertible Instruments in an Entity’s Own Equity, which simplifies the accounting for convertible instruments and contracts on an entity’s own equity. Among other changes, ASU No. 2020-06 removes from U.S. GAAP the liability and equity separation model for convertible instruments with a cash conversion feature, and as a result, after adoption, entities will no longer separately present in equity an embedded conversion feature for such debt. Similarly, the embedded conversion feature will no longer be amortized into income as interest expense over the life of the instrument. Instead, entities will account for a convertible debt instrument wholly as debt unless (1) a convertible instrument contains features that require bifurcation as a derivative under ASC Topic 815, Derivatives and Hedging, or (2) a convertible debt instrument was issued at a substantial premium. This ASU is effective for interim and annual periods beginning after December 15, 2021, with early adoption permitted after December 15, 2020 and can be adopted either on a modified retrospective or full retrospective basis. The Company is evaluating the impact, timing and method of adoption of this ASU. Upon adoption of this ASU, the Company expects to recombine the equity conversion component of its convertible notes, which was initially separated and recorded in equity, and remove the remaining debt discounts recorded for this previous separation. Adoption of this ASU will also result in the elimination of a portion of non-cash interest expense related to amortization of debt discount. Additionally, ASU No. 2020-06 requires the application of the if-converted method to calculate the impact of convertible instruments on diluted earnings per share, which would result in an increase in the number of shares for calculating diluted earnings per share by approximately 19.9 million shares. From time to time, new accounting pronouncements are issued by the FASB, or other standards setting bodies, that are adopted by the Company as of the specified effective date. Unless otherwise discussed, the Company believes the impact of recently issued standards that are not yet effective will not have a material impact on its consolidated financial position, results of operations and cash flows upon adoption.

The entire disclosure for change in accounting principle. Includes, but is not limited to, nature, reason, and method of adopting amendment to accounting standards or other change in accounting principle.

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Reference 11: http://www.xbrl.org/2003/role/disclosureRef
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Reference 12: http://www.xbrl.org/2003/role/disclosureRef
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-URI http://asc.fasb.org/extlink&oid=112272810&loc=d3e31137-122693

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Reference 24: http://www.xbrl.org/2003/role/disclosureRef
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Reference 25: http://www.xbrl.org/2003/role/disclosureRef
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Revenue from Contract with Customer [Abstract]

Contract Assets and Deferred Revenue

6 Months Ended

Jul. 02, 2021

Revenue from Contract with Customer [Text Block]

CONTRACT ASSETS AND DEFERRED REVENUEContract Balances. Contract assets exist when the Company has satisfied a performance obligation but does not have an unconditional right to consideration (e.g., because the entity first must satisfy another performance obligation in the contract before it is entitled to invoice the customer). Deferred revenue represents the Company’s obligation to transfer goods or services to a customer for which the Company has received consideration (or an amount of consideration is due) from the customer.

Contract assets and deferred revenue consisted of the following:


	As of
(in thousands)	July 2, 2021		December 31, 2020
Contract assets	$	13,920	$	9,800
Deferred revenue	$	78,950	$	63,533

Contract assets and Deferred revenue (long-term) are reported as components of “Prepaid expenses and other current assets” and “Other non-current liabilities,” respectively, on the Condensed Consolidated Balance Sheets.

During the three months ended July 2, 2021 and June 26, 2020, the Company recognized revenue of $8.6 million and $8.7 million, respectively, that was included in the deferred revenue balance at the beginning of each fiscal year. During the six months ended July 2, 2021 and June 26, 2020, the Company recognized revenue of $39.2 million and $26.7 million, respectively, that was included in the deferred revenue balance at the beginning of each fiscal year.

In July 2019, Comcast elected enterprise license pricing for the Company’s CableOS® software under certain existing commercial agreements between the Company and Comcast (the “CableOS software license agreement”), which also includes maintenance and support services, and material rights. As of July 2, 2021, the aggregate amount of the transaction price under this agreement allocated to the remaining performance obligations is $57.9 million, and the Company will recognize this revenue as the related performance obligations are delivered over the next 24 months.

Refer to Note 9, “Segment Information” for disaggregated revenue information.

The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Organization, Consolidation and Presentation of Financial Statements [Abstract]

Leases

6 Months Ended

Jul. 02, 2021

Leases [Abstract]

Lessee, Operating Leases

LEASES

The components of lease expense are as follows:


	Three Months Ended				Six Months Ended
(in thousands)	July 2, 2021		June 26, 2020		July 2, 2021		June 26, 2020
Operating lease cost	$	1,877	$	2,015	$	3,743	$	4,683
Variable lease cost	518		710		1,027		1,502
Total lease cost	$	2,395	$	2,725	$	4,770	$	6,185

Supplemental information related to leases are as follows:


	Three Months Ended				Six Months Ended
(in thousands)	July 2, 2021		June 26, 2020		July 2, 2021		June 26, 2020
Cash payments	$	1,919	$	2,217	$	3,757	$	4,638
Right-of-use assets obtained in exchange for operating lease obligations	$	5,476	$	—	$	5,476	$	1,671

Other Financial Statement Information

6 Months Ended

Jul. 02, 2021

Balance Sheet Components

The following tables provide details of selected balance sheet components:


	As of
(in thousands)	July 2, 2021		December 31, 2020
Accounts receivable, net:
Accounts receivable	$	103,734	$	68,295
Less: allowances for expected credit losses and sales returns	(3,135)		(2,068)
Total	$	100,599	$	66,227


	As of
(in thousands)	July 2, 2021		December 31, 2020
Inventories:
Raw materials	$	5,718	$	2,529
Work-in-process	2,974		1,689
Finished goods	25,869		22,777
Service-related spares	8,470		8,036
Total	$	43,031	$	35,031


	As of
(in thousands)	July 2, 2021		December 31, 2020
Prepaid expenses and other current assets:
Prepaid expenses	$	11,217	$	11,453
Contract assets	13,920		9,800
Other	17,177		16,879
Total	$	42,314	$	38,132


	As of
(in thousands)	July 2, 2021		December 31, 2020
Property and equipment, net:
Machinery and equipment	$	75,084	$	72,731
Capitalized software	38,122		37,141
Leasehold improvements	40,370		38,718
Furniture and fixtures	2,881		2,913
Construction-in-progress	2,927		2,209
Property and equipment, gross	159,384		153,712
Less: accumulated depreciation and amortization	(115,010)		(110,571)
Total	$	44,374	$	43,141


	As of
(in thousands)	July 2, 2021		December 31, 2020
Other current liabilities:
Accrued employee compensation and related expenses	$	20,010	$	23,131
Customers’ advances and deposits	24,504		3,385
Other	23,315		23,817
Total	$	67,829	$	50,333

Convertible Debt

6 Months Ended

Jul. 02, 2021

Debt Disclosure [Abstract]

Convertible Notes, Other Debts And Capital Leases

CONVERTIBLE DEBT

4.375% Convertible Senior Notes due 2022 (the “2022 Notes”)

In June 2020, the Company issued the 2022 Notes with an aggregate principal amount of $37.7 million in a non-cash exchange for its 2020 Notes with an equal principal amount pursuant to an indenture, dated June 2, 2020 (the “2022 Notes Indenture”), by and between the Company and U.S. Bank National Association, as trustee. The 2022 Notes bear interest at a rate of 4.375% per year, payable in cash on June 1 and December 1 of each year. The 2022 Notes will mature on December 1, 2022, unless earlier repurchased or redeemed by the Company, or converted pursuant to their terms.

The 2022 Notes are convertible into cash, shares of the Company’s common stock, par value $0.001 (“Common Stock”), or a combination thereof, at the Company’s election, at an initial conversion rate of 173.9978 shares of Common Stock per $1,000 principal amount of 2020 Notes (which is equivalent to an initial conversion price of approximately $5.75 per share). The conversion rate, and thus the effective conversion price, may be adjusted under certain circumstances, including in connection with conversions made following certain fundamental changes and under other circumstances as set forth in the 2022 Notes Indenture.

Prior to the close of business on the business day immediately preceding September 1, 2022, the 2022 Notes will be convertible only under the following circumstances: (1) during any fiscal quarter commencing after the fiscal quarter ended on June 26, 2020 (and only during such fiscal quarter), if the last reported sale price of Common Stock for at least 20 trading days (whether or not consecutive) during a period of 30 consecutive trading days ending on the last trading day of the immediately preceding fiscal quarter is greater than or equal to 130% of the conversion price on each applicable trading day; (2) during the five business day period after any five consecutive trading day period (the “measurement period”) in which the trading price per $1,000 principal amount of 2022 Notes for each trading day of the measurement period was less than 98% of the product of the last reported sale price of Common Stock and the conversion rate on each such trading day; or (3) upon the occurrence of specified corporate events. Commencing on September 1, 2022 until the close of business on the second scheduled trading day immediately preceding the maturity date, the 2022 Notes will be convertible in multiples of $1,000 principal amount regardless of the foregoing circumstances.

As the 2022 Notes were issued in exchange for the 2020 Notes, which was accounted for as an extinguishment, the 2022 Notes were initially accounted for at fair value, which was estimated to be $44.4 million. In accordance with the accounting guidance on embedded conversion features, the conversion feature associated with the 2022 Notes was initially valued at $8.3 million and bifurcated from the host debt instrument and recorded in “Additional paid-in capital.” The remaining amount of $36.0 million, which represents the fair value of the liability component of the 2022 Notes, was recorded as the initial carrying value of the 2022 Notes. The initial debt discount on the 2022 Notes is $1.7 million, calculated as the difference between the stated principal amount of $37.7 million and the initial carrying value of the liability component of $36.0 million. The debt discount is being amortized to interest expense at the effective interest rate over the contractual term of the 2022 Notes.

The following table presents the components of the 2022 Notes:


	As of
(in thousands, except for years and percentages)	July 2, 2021			December 31, 2020
Liability component:
Principal amount	$	37,707		$	37,707
Less: Debt discount, net of amortization	(1,020)			(1,357)
Less: Debt issuance costs, net of amortization	(320)			(425)
Carrying amount	$	36,367		$	35,925
Remaining debt discount amortization period (years)	1.4			1.9
Effective interest rate on liability component	6.95		%	6.95		%

The following table presents interest expense recognized for the 2022 Notes:


	Three Months Ended				Six Months Ended
(in thousands)	July 2, 2021		June 26, 2020		July 2, 2021		June 26, 2020
Contractual interest expense	$	412	$	128	$	824	$	128
Amortization of debt discount	171		49		337		49
Amortization of debt issuance costs	53		15		105		15
Total interest expense recognized	$	636	$	192	$	1,266	$	192

2.00% Convertible Senior Notes due 2024 (the “2024 Notes”)

In September 2019, the Company issued the 2024 Notes with an aggregate principal amount of $115.5 million pursuant to an indenture (the “2024 Notes Indenture”), dated September 13, 2019, by and between the Company and U.S. Bank National Association, as trustee. The 2024 Notes bear interest at a rate of 2.00% per year, payable semiannually on March 1 and September 1 of each year. The 2024 Notes will mature on September 1, 2024, unless earlier repurchased or redeemed by the Company, or converted pursuant to their terms.

The 2024 Notes are convertible into cash, shares of the Company’s common stock, par value $0.001 (“Common Stock”), or a combination thereof, at the Company’s election, at an initial conversion rate of 115.5001 shares of Common Stock per $1,000 principal amount of 2024 Notes (which is equivalent to an initial conversion price of approximately $8.66 per share). The conversion rate, and thus the effective conversion price, may be adjusted under certain circumstances, including in connection with conversions made following certain fundamental changes or a notice of redemption and under other circumstances, in each case, as set forth in the 2024 Notes Indenture.

Prior to the close of business on the business day immediately preceding June 1, 2024, the 2024 Notes will be convertible only under the following circumstances: (1) during any fiscal quarter commencing after the fiscal quarter ended on December 31, 2019, and only during such fiscal quarter, if the last reported sale price of the Common Stock for at least 20 trading days (whether or not consecutive) in a period of 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding fiscal quarter is greater than or equal to 130% of the conversion price for the 2024 Notes on each applicable trading day; (2) during the five business day period after any five consecutive trading day period (the “measurement period”) in which the trading price per $1,000 principal amount of 2024 Notes for each trading day of the measurement period was less than 98% of the product of the last reported sale price of the Common Stock and the conversion rate on each such trading day; (3) if the Company calls any or all of the 2024 Notes for redemption, at any time prior to the close of business on the second scheduled trading day immediately preceding the redemption date; or (4) upon the occurrence of specified corporate events. On or after June 1, 2024, until the close of business on the second scheduled trading day immediately preceding the maturity date, holders of the 2024 Notes may convert all or any portion of their 2024 Notes regardless of the foregoing conditions.

In accordance with the accounting guidance on embedded conversion features, the conversion feature associated with the 2024 Notes was valued at $24.9 million and bifurcated from the host debt instrument and recorded in “Additional paid-in capital”. The resulting debt discount on the 2024 Notes is being amortized to interest expense at the effective interest rate over the contractual term of the 2024 Notes.

The following table presents the components of the 2024 Notes:


	As of
(in thousands, except for years and percentages)	July 2, 2021			December 31, 2020
Liability component:
Principal amount	$	115,500		$	115,500
Less: Debt discount, net of amortization	(16,982)			(19,294)
Less: Debt issuance costs, net of amortization	(2,310)			(2,624)
Carrying amount	$	96,208		$	93,582
Remaining debt discount amortization period (years)	3.2			3.7
Effective interest rate on liability component	7.95		%	7.95		%

The following table presents interest expense recognized for the 2024 Notes:


	Three Months Ended				Six Months Ended
(in thousands)	July 2, 2021		June 26, 2020		July 2, 2021		June 26, 2020
Contractual interest expense	$	578	$	578	$	1,156	$	1,156
Amortization of debt discount	1,166		1,077		2,312		2,134
Amortization of debt issuance costs	158		146		314		290
Total interest expense recognized	$	1,902	$	1,801	$	3,782	$	3,580

Fair Value Measurements

6 Months Ended

Jul. 02, 2021

Fair Value Disclosures [Abstract]

Fair Value Measurements

FAIR VALUE MEASUREMENTS

The Company’s financial instruments not measured at fair value on a recurring basis were as follows:


	July 2, 2021								December 31, 2020
	Carrying		Fair Value						Carrying		Fair Value
(in thousands)	Value		Level 1		Level 2		Level 3		Value		Level 1		Level 2		Level 3
2022 Notes	$	36,367	$	—	$	59,577	$	—	$	35,925	$	—	$	54,204	$	—
2024 Notes	$	96,208	$	—	$	135,297	$	—	$	93,582	$	—	$	125,953	$	—

The fair value of the Company’s convertible notes is influenced by interest rates, the Company’s stock price and stock market volatility. The difference between the carrying value and the fair value is primarily due to the spread between the conversion price and the market value of the shares underlying the conversion as of each respective balance sheet date.

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References + Details

Earnings Per Share

6 Months Ended

Jul. 02, 2021

Earnings Per Share [Abstract]

Income (Loss) Per Share

EARNINGS PER SHARE

The diluted net loss per share was the same as basic net loss per share for the three and six months ended July 2, 2021 and June 26, 2020, as the inclusion of potential common shares outstanding would have been anti-dilutive due to the Company’s net losses for all periods presented. The following table sets forth the potential weighted common shares outstanding that were excluded from the diluted net loss per share computation:


	Three Months ended		Six Months Ended
(in thousands)	July 2, 2021	June 26, 2020	July 2, 2021	June 26, 2020
Convertible debt	1,645	—	1,720	584
Stock options	839	1,558	1,015	1,677
Restricted stock units	2,961	2,963	2,895	2,931
Stock purchase rights under the ESPP	404	581	372	512
Total	5,849	5,102	6,002	5,704

The Company applies the treasury stock method to determine the potential dilutive effect of its convertible debt on net earnings per share as a result of the Company's intent and stated policy to settle the principal amount of its convertible debt in cash. Under the treasury stock method, the Company’s convertible debt is excluded from the calculation of diluted earnings per share for the periods when its conversion price exceeds the average market price for the Company's common stock. Under the if-converted method, the Company’s convertible debt has potential dilutive effect of 19.9 million shares.

Segment Information

6 Months Ended

Jul. 02, 2021

Segment Reporting [Abstract]

Segment Information

SEGMENT INFORMATION

Operating segments are defined as components of an enterprise that engage in business activities for which separate financial information is available and evaluated by the Company’s Chief Operating Decision Maker (the “CODM”), which for the Company is its Chief Executive Officer, in deciding how to allocate resources and assess performance. Based on the Company’s internal reporting structure, the Company consists of two operating segments: Video and Cable Access. The operating segments were determined based on the nature of the products offered. The Video segment provides video processing and production and playout solutions and services worldwide to broadcast and media companies, streaming new media companies, cable operators, and satellite and telecommunications Pay-TV service providers. The Cable Access segment provides cable access solutions and related services to cable operators globally. A measure of assets by segment is not applicable as segment assets are not included in the discrete financial information provided to the CODM.

The following table provides summary financial information by reportable segment:


	Three Months Ended				Six Months Ended
(in thousands)	July 2, 2021		June 26, 2020		July 2, 2021		June 26, 2020
Video
Revenue	$	63,355	$	47,453	$	133,686	$	101,825
Gross profit	37,571		26,024		76,345		53,931
Operating income (loss)	1,559		(4,237)		5,331		(10,504)
Cable Access
Revenue	$	50,093	$	26,541	$	91,338	$	50,586
Gross profit	23,538		12,128		40,946		22,542
Operating income (loss)	4,992		(878)		6,288		(4,143)
Total
Revenue	$	113,448	$	73,994	$	225,024	$	152,411
Gross profit	61,109		38,152		117,291		76,473
Operating income (loss)	$	6,551	$	(5,115)	$	11,619	$	(14,647)

A reconciliation of the Company’s consolidated segment operating income (loss) to consolidated loss before income taxes:


	Three Months Ended				Six Months Ended
(in thousands)	July 2, 2021		June 26, 2020		July 2, 2021		June 26, 2020
Total consolidated segment operating income (loss)	$	6,551	$	(5,115)	$	11,619	$	(14,647)
Unallocated corporate expenses(1)	(382)		(84)		(389)		(687)
Stock-based compensation	(4,033)		(3,548)		(12,431)		(9,807)
Amortization of intangibles	—		(807)		(507)		(2,462)
Consolidated income (loss) from operations	2,136		(9,554)		(1,708)		(27,603)
Non-operating expense, net	(2,777)		(4,269)		(4,361)		(7,445)
Loss before income taxes	$	(641)	$	(13,823)	$	(6,069)	$	(35,048)

(1) Together with amortization of intangibles and stock-based compensation, the Company does not allocate restructuring and related charges to the operating income (loss) for each segment because management does not include this information in the measurement of the performance of the operating segments.

Geographic Information


	Three Months ended				Six Months Ended
(in thousands)	July 2, 2021		June 26, 2020		July 2, 2021		June 26, 2020
Net revenue (1)
United States	$	61,294	$	35,223	$	128,389	$	69,626
Other countries	52,154		38,771		96,635		82,785
Total	$	113,448	$	73,994	$	225,024	$	152,411

(1) Revenue is attributed to countries based on the location of the customer.

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

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Commitments and Contingencies	6 Months Ended
Commitments and Contingencies	Jul. 02, 2021
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	COMMITMENTS AND CONTINGENCIES Indemnification The Company is obligated to indemnify its officers and the members of its Board of Directors pursuant to its bylaws and contractual indemnity agreements. The Company also indemnifies some of its suppliers and most of its customers for specified intellectual property matters pursuant to certain contractual arrangements, subject to certain limitations. The scope of these indemnities varies, but, in some instances, includes indemnification for damages and expenses (including reasonable attorneys’ fees). There have been no amounts accrued in respect of these indemnification provisions through July 2, 2021. Legal proceedings From time to time, the Company is involved in lawsuits as well as subject to various legal proceedings, claims, threats of litigation, audits of royalty payments for licensed technology and investigations in the ordinary course of business, including claims of alleged infringement of third-party patents and other intellectual property rights, commercial, employment, and other matters. The Company assesses potential liabilities in connection with each lawsuit and threatened lawsuits and accrues an estimated loss for these loss contingencies if both of the following conditions are met: information available prior to issuance of the financial statements indicates that it is probable that a liability has been incurred at the date of the financial statements and the amount of loss can be reasonably estimated. While certain matters to which the Company is a party specify the damages claimed, such claims may not represent reasonably probable losses. Given the inherent uncertainties of litigation, the ultimate outcome of these matters cannot be predicted at this time, nor can the amount of possible loss or range of loss, if any, be reasonably estimated.

Basis of Presentation and Significant Accounting Policies (Policies)	6 Months Ended
	Jul. 02, 2021
Accounting Policies [Abstract]
Use of Estimates	The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from these estimates.
Reclassification	Certain prior period balances have been reclassified to conform to the current period’s presentation. These reclassifications did not have a material impact on previously reported financial statements.
Significant Accounting Policies	The Company’s significant accounting policies are described in Note 2 to its audited Consolidated Financial Statements included in the 2020 Form 10-K. There have been no significant changes to these policies during the six months ended July 2, 2021.
Recent Accounting Pronouncements	In August 2020, the Financial Accounting Standards Board (“FASB”) issued ASU No. 2020-06, Accounting for Convertible Instruments in an Entity’s Own Equity, which simplifies the accounting for convertible instruments and contracts on an entity’s own equity. Among other changes, ASU No. 2020-06 removes from U.S. GAAP the liability and equity separation model for convertible instruments with a cash conversion feature, and as a result, after adoption, entities will no longer separately present in equity an embedded conversion feature for such debt. Similarly, the embedded conversion feature will no longer be amortized into income as interest expense over the life of the instrument. Instead, entities will account for a convertible debt instrument wholly as debt unless (1) a convertible instrument contains features that require bifurcation as a derivative under ASC Topic 815, Derivatives and Hedging, or (2) a convertible debt instrument was issued at a substantial premium. This ASU is effective for interim and annual periods beginning after December 15, 2021, with early adoption permitted after December 15, 2020 and can be adopted either on a modified retrospective or full retrospective basis. The Company is evaluating the impact, timing and method of adoption of this ASU. Upon adoption of this ASU, the Company expects to recombine the equity conversion component of its convertible notes, which was initially separated and recorded in equity, and remove the remaining debt discounts recorded for this previous separation. Adoption of this ASU will also result in the elimination of a portion of non-cash interest expense related to amortization of debt discount. Additionally, ASU No. 2020-06 requires the application of the if-converted method to calculate the impact of convertible instruments on diluted earnings per share, which would result in an increase in the number of shares for calculating diluted earnings per share by approximately 19.9 million shares.
Segment Information	Operating segments are defined as components of an enterprise that engage in business activities for which separate financial information is available and evaluated by the Company’s Chief Operating Decision Maker (the “CODM”), which for the Company is its Chief Executive Officer, in deciding how to allocate resources and assess performance. Based on the Company’s internal reporting structure, the Company consists of two operating segments: Video and Cable Access. The operating segments were determined based on the nature of the products offered.Together with amortization of intangibles and stock-based compensation, the Company does not allocate restructuring and related charges to the operating income (loss) for each segment because management does not include this information in the measurement of the performance of the operating segments.
Warranties and Indemnification	The Company is obligated to indemnify its officers and the members of its Board of Directors pursuant to its bylaws and contractual indemnity agreements. The Company also indemnifies some of its suppliers and most of its customers for specified intellectual property matters pursuant to certain contractual arrangements, subject to certain limitations. The scope of these indemnities varies, but, in some instances, includes indemnification for damages and expenses (including reasonable attorneys’ fees).

Revenue from Contract with Customer [Abstract]

Disclosure of accounting policy for segment reporting.

+ References + Details

Contract Assets and Deferred Revenue (Tables)

6 Months Ended

Jul. 02, 2021

Contract assets and Deferred Revenue

Contract assets and deferred revenue consisted of the following:


	As of
(in thousands)	July 2, 2021		December 31, 2020
Contract assets	$	13,920	$	9,800
Deferred revenue	$	78,950	$	63,533

Lease (Tables)

6 Months Ended

Jul. 02, 2021

Leases [Abstract]

Components of Lease Expenses

The components of lease expense are as follows:


	Three Months Ended				Six Months Ended
(in thousands)	July 2, 2021		June 26, 2020		July 2, 2021		June 26, 2020
Operating lease cost	$	1,877	$	2,015	$	3,743	$	4,683
Variable lease cost	518		710		1,027		1,502
Total lease cost	$	2,395	$	2,725	$	4,770	$	6,185

Supplemental information related to leases are as follows:


	Three Months Ended				Six Months Ended
(in thousands)	July 2, 2021		June 26, 2020		July 2, 2021		June 26, 2020
Cash payments	$	1,919	$	2,217	$	3,757	$	4,638
Right-of-use assets obtained in exchange for operating lease obligations	$	5,476	$	—	$	5,476	$	1,671

Other Financial Statement Information (Tables)

6 Months Ended

Jul. 02, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Accounts Receivable, Net

The following tables provide details of selected balance sheet components:


	As of
(in thousands)	July 2, 2021		December 31, 2020
Accounts receivable, net:
Accounts receivable	$	103,734	$	68,295
Less: allowances for expected credit losses and sales returns	(3,135)		(2,068)
Total	$	100,599	$	66,227

Inventories


	As of
(in thousands)	July 2, 2021		December 31, 2020
Inventories:
Raw materials	$	5,718	$	2,529
Work-in-process	2,974		1,689
Finished goods	25,869		22,777
Service-related spares	8,470		8,036
Total	$	43,031	$	35,031

Prepaid expenses and Other Current Assets


	As of
(in thousands)	July 2, 2021		December 31, 2020
Prepaid expenses and other current assets:
Prepaid expenses	$	11,217	$	11,453
Contract assets	13,920		9,800
Other	17,177		16,879
Total	$	42,314	$	38,132

Property, Plant and Equipment


	As of
(in thousands)	July 2, 2021		December 31, 2020
Property and equipment, net:
Machinery and equipment	$	75,084	$	72,731
Capitalized software	38,122		37,141
Leasehold improvements	40,370		38,718
Furniture and fixtures	2,881		2,913
Construction-in-progress	2,927		2,209
Property and equipment, gross	159,384		153,712
Less: accumulated depreciation and amortization	(115,010)		(110,571)
Total	$	44,374	$	43,141

Other Current Liabilities


	As of
(in thousands)	July 2, 2021		December 31, 2020
Other current liabilities:
Accrued employee compensation and related expenses	$	20,010	$	23,131
Customers’ advances and deposits	24,504		3,385
Other	23,315		23,817
Total	$	67,829	$	50,333

Convertible Debt (Tables)

6 Months Ended

Jul. 02, 2021

Convertible Note due 2022

Debt Instrument [Line Items]

Schedule of Carrying Values and Estimated Fair Values of Debt Instruments

The following table presents the components of the 2022 Notes:


	As of
(in thousands, except for years and percentages)	July 2, 2021			December 31, 2020
Liability component:
Principal amount	$	37,707		$	37,707
Less: Debt discount, net of amortization	(1,020)			(1,357)
Less: Debt issuance costs, net of amortization	(320)			(425)
Carrying amount	$	36,367		$	35,925
Remaining debt discount amortization period (years)	1.4			1.9
Effective interest rate on liability component	6.95		%	6.95		%

Convertible Debt Interest

The following table presents interest expense recognized for the 2022 Notes:


	Three Months Ended				Six Months Ended
(in thousands)	July 2, 2021		June 26, 2020		July 2, 2021		June 26, 2020
Contractual interest expense	$	412	$	128	$	824	$	128
Amortization of debt discount	171		49		337		49
Amortization of debt issuance costs	53		15		105		15
Total interest expense recognized	$	636	$	192	$	1,266	$	192

Convertible Note due 2024

Debt Instrument [Line Items]

Schedule of Carrying Values and Estimated Fair Values of Debt Instruments

The following table presents the components of the 2024 Notes:


	As of
(in thousands, except for years and percentages)	July 2, 2021			December 31, 2020
Liability component:
Principal amount	$	115,500		$	115,500
Less: Debt discount, net of amortization	(16,982)			(19,294)
Less: Debt issuance costs, net of amortization	(2,310)			(2,624)
Carrying amount	$	96,208		$	93,582
Remaining debt discount amortization period (years)	3.2			3.7
Effective interest rate on liability component	7.95		%	7.95		%

Convertible Debt Interest

The following table presents interest expense recognized for the 2024 Notes:


	Three Months Ended				Six Months Ended
(in thousands)	July 2, 2021		June 26, 2020		July 2, 2021		June 26, 2020
Contractual interest expense	$	578	$	578	$	1,156	$	1,156
Amortization of debt discount	1,166		1,077		2,312		2,134
Amortization of debt issuance costs	158		146		314		290
Total interest expense recognized	$	1,902	$	1,801	$	3,782	$	3,580

Fair Value Measurements (Tables)

6 Months Ended

Jul. 02, 2021

Fair Value Disclosures [Abstract]

Financial instruments not measured at fair value on a recurring basis

The Company’s financial instruments not measured at fair value on a recurring basis were as follows:


	July 2, 2021								December 31, 2020
	Carrying		Fair Value						Carrying		Fair Value
(in thousands)	Value		Level 1		Level 2		Level 3		Value		Level 1		Level 2		Level 3
2022 Notes	$	36,367	$	—	$	59,577	$	—	$	35,925	$	—	$	54,204	$	—
2024 Notes	$	96,208	$	—	$	135,297	$	—	$	93,582	$	—	$	125,953	$	—

Earnings Per Share (Tables)

6 Months Ended

Jul. 02, 2021

Earnings Per Share [Abstract]

Anti-dilutive Securities

The following table sets forth the potential weighted common shares outstanding that were excluded from the diluted net loss per share computation:


	Three Months ended		Six Months Ended
(in thousands)	July 2, 2021	June 26, 2020	July 2, 2021	June 26, 2020
Convertible debt	1,645	—	1,720	584
Stock options	839	1,558	1,015	1,677
Restricted stock units	2,961	2,963	2,895	2,931
Stock purchase rights under the ESPP	404	581	372	512
Total	5,849	5,102	6,002	5,704

Segment Information (Tables)

6 Months Ended

Jul. 02, 2021

Segment Reporting [Abstract]

Segment Reporting Information, by Segment

The following table provides summary financial information by reportable segment:


	Three Months Ended				Six Months Ended
(in thousands)	July 2, 2021		June 26, 2020		July 2, 2021		June 26, 2020
Video
Revenue	$	63,355	$	47,453	$	133,686	$	101,825
Gross profit	37,571		26,024		76,345		53,931
Operating income (loss)	1,559		(4,237)		5,331		(10,504)
Cable Access
Revenue	$	50,093	$	26,541	$	91,338	$	50,586
Gross profit	23,538		12,128		40,946		22,542
Operating income (loss)	4,992		(878)		6,288		(4,143)
Total
Revenue	$	113,448	$	73,994	$	225,024	$	152,411
Gross profit	61,109		38,152		117,291		76,473
Operating income (loss)	$	6,551	$	(5,115)	$	11,619	$	(14,647)

Reconciliation of Operating Profit (Loss) from Segments to Consolidated

A reconciliation of the Company’s consolidated segment operating income (loss) to consolidated loss before income taxes:


	Three Months Ended				Six Months Ended
(in thousands)	July 2, 2021		June 26, 2020		July 2, 2021		June 26, 2020
Total consolidated segment operating income (loss)	$	6,551	$	(5,115)	$	11,619	$	(14,647)
Unallocated corporate expenses(1)	(382)		(84)		(389)		(687)
Stock-based compensation	(4,033)		(3,548)		(12,431)		(9,807)
Amortization of intangibles	—		(807)		(507)		(2,462)
Consolidated income (loss) from operations	2,136		(9,554)		(1,708)		(27,603)
Non-operating expense, net	(2,777)		(4,269)		(4,361)		(7,445)
Loss before income taxes	$	(641)	$	(13,823)	$	(6,069)	$	(35,048)

Revenue from External Customers by Geographic Areas


	Three Months ended				Six Months Ended
(in thousands)	July 2, 2021		June 26, 2020		July 2, 2021		June 26, 2020
Net revenue (1)
United States	$	61,294	$	35,223	$	128,389	$	69,626
Other countries	52,154		38,771		96,635		82,785
Total	$	113,448	$	73,994	$	225,024	$	152,411

(1) Revenue is attributed to countries based on the location of the customer.

^[1]

[1]	Revenue is attributed to countries based on the location of the customer.

Recent Accounting Pronouncements Additional Information (Details) shares in Millions	Jan. 01, 2022 shares
Subsequent Event \| AccountingStandardsUpdate202006Member
Debt Instrument [Line Items]
Increased number of shares for diluted EPS using if-converted method	19.9

Contract Assets and Deferred Revenue (Details) - USD ($) $ in Thousands	Jul. 02, 2021	Dec. 31, 2020
Capitalized Contract Cost [Line Items]
Contract assets	$ 13,920	$ 9,800
Prepaid Expenses and Other Current Assets [Member]
Capitalized Contract Cost [Line Items]
Contract assets	13,920	9,800
Other Noncurrent Liabilities [Member]
Capitalized Contract Cost [Line Items]
Deferred revenue	$ 78,950	$ 63,533

Contract Assets and Deferred Revenue - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 02, 2021	Jun. 26, 2020	Jul. 02, 2021	Jun. 26, 2020
Revenue from Contract with Customer [Abstract]
Revenue Recognized Included in Beginning Deferred Revenue	$ 8.6	$ 8.7	$ 39.2	$ 26.7

Contract Assets and Deferred Revenue - Narratives (Details) - Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-07-03 - Comcast CableOS Software License Agreement [Member] $ in Millions	Jul. 02, 2021 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Amount	$ 57.9
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	24 months

Lease - Lease Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2021	Jun. 26, 2020	Jul. 02, 2021	Jun. 26, 2020
Leases [Abstract]
Operating lease cost	$ 1,877	$ 2,015	$ 3,743	$ 4,683
Variable lease cost	518	710	1,027	1,502
Total lease cost	2,395	2,725	4,770	6,185
Cash payments	1,919	2,217	3,757	4,638
Right-of-Use assets obtained in exchange for operating lease obligations	$ 5,476	$ 0	$ 5,476	$ 1,671

Other Financial Statement Information - Accounts Receivable, Net (Details) - USD ($) $ in Thousands	Jul. 02, 2021	Dec. 31, 2020
Receivables [Abstract]
Accounts receivable	$ 103,734	$ 68,295
Less: allowances for expected credit losses and sales returns	(3,135)	(2,068)
Total	$ 100,599	$ 66,227

Other Financial Statement Information - Inventories, net (Details) - USD ($) $ in Thousands	Jul. 02, 2021	Dec. 31, 2020
Inventory Disclosure [Abstract]
Raw materials	$ 5,718	$ 2,529
Work-in-process	2,974	1,689
Finished goods	25,869	22,777
Service-related spares	8,470	8,036
Total	$ 43,031	$ 35,031

Other Financial Statement Information - Prepaid Expenses And Other Current Assets (Details) - USD ($) $ in Thousands	Jul. 02, 2021	Dec. 31, 2020
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Prepaid expenses	$ 11,217	$ 11,453
Contract assets	13,920	9,800
Other	17,177	16,879
Total	$ 42,314	$ 38,132

Other Financial Statement Information - Property and Equipment, Net (Details) - USD ($) $ in Thousands	Jul. 02, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	$ 159,384	$ 153,712
Less: accumulated depreciation and amortization	(115,010)	(110,571)
Total	44,374	43,141
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	75,084	72,731
Capitalized Software [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	38,122	37,141
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	40,370	38,718
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	2,881	2,913
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	$ 2,927	$ 2,209

Other Financial Statement Information - Other Current Liabilities (Details) - USD ($) $ in Thousands	Jul. 02, 2021	Dec. 31, 2020
Payables and Accruals [Abstract]
Accrued employee compensation and related expenses	$ 20,010	$ 23,131
Customers’ advances and deposits	24,504	3,385
Other	23,315	23,817
Other Liabilities, Current, Total	$ 67,829	$ 50,333

Convertible Debt - Narratives (Details)			6 Months Ended
Convertible Debt - Narratives (Details)	Jun. 02, 2020 USD ($)	Sep. 13, 2019 USD ($) $ / shares	Jul. 02, 2021 USD ($) day $ / shares	Jun. 26, 2020 USD ($)	Dec. 31, 2020 USD ($) $ / shares
Debt Instrument [Line Items]
Common Stock, Par or Stated Value Per Share \| $ / shares			$ 0.001		$ 0.001
Fair value of 2022 Notes used to settle 2020 Notes			$ 0	$ 44,357,000
Convertible Note due 2022
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 37,700,000		$ 37,707,000		$ 37,707,000
Common Stock, Par or Stated Value Per Share \| $ / shares			$ 0.001
Debt Instrument, Convertible, Conversion Ratio			173.9978
Debt Conversion, Converted Instrument, Amount			$ 1,000
Debt Instrument, Convertible, Conversion Price \| $ / shares			$ 5.75
Carrying amount of equity component	8,300,000
Fair Value of Liability Component - Convertible Notes	36,000,000.0
Debt Instrument, Unamortized Discount	$ 1,700,000		$ 1,020,000		1,357,000
Debt Instrument, Interest Rate, Stated Percentage	4.375%
Convertible Note due 2022 \| Stock price greater or equal 130 percent of Note Conversion Price [Member]
Debt Instrument [Line Items]
Debt Instrument, Convertible, Threshold Trading Days \| day			20
Debt Instrument, Convertible, Threshold Consecutive Trading Days \| day			30
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger			130.00%
Convertible Note due 2022 \| Note price less than 98 percent of stock price times conversion rate [Member]
Debt Instrument [Line Items]
Debt Instrument, Convertible, Threshold Trading Days \| day			5
Debt Instrument, Convertible, Threshold Consecutive Trading Days \| day			5
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger			98.00%
Convertible Note due 2024
Debt Instrument [Line Items]
Debt Instrument, Face Amount		$ 115,500,000	$ 115,500,000		115,500,000
Common Stock, Par or Stated Value Per Share \| $ / shares		$ 0.001
Debt Instrument, Convertible, Conversion Ratio		115.5001
Debt Conversion, Converted Instrument, Amount		$ 1,000	1,000
Debt Instrument, Convertible, Conversion Price \| $ / shares		$ 8.66
Carrying amount of equity component		$ 24,900,000
Debt Instrument, Unamortized Discount			$ 16,982,000		$ 19,294,000
Debt Instrument, Interest Rate, Stated Percentage		2.00%
Convertible Note due 2024 \| Stock price greater or equal 130 percent of Note Conversion Price [Member]
Debt Instrument [Line Items]
Debt Instrument, Convertible, Threshold Trading Days \| day			20
Debt Instrument, Convertible, Threshold Consecutive Trading Days \| day			30
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger			130.00%
Convertible Note due 2024 \| Note price less than 98 percent of stock price times conversion rate [Member]
Debt Instrument [Line Items]
Debt Instrument, Convertible, Threshold Trading Days \| day			5
Debt Instrument, Convertible, Threshold Consecutive Trading Days \| day			5
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger			98.00%
Convertible Debt \| Convertible Note due 2022
Debt Instrument [Line Items]
Fair value of 2022 Notes used to settle 2020 Notes	$ 44,400,000

Convertible Debt - Convertible Notes Roll Forward (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jul. 02, 2021	Dec. 31, 2020	Jun. 02, 2020	Sep. 13, 2019
Debt Instrument [Line Items]
Carrying amount	$ 132,575	$ 129,507
Convertible Note due 2022
Debt Instrument [Line Items]
Principal Amount	37,707	37,707	$ 37,700
Less: Debt discount, net of amortization	(1,020)	(1,357)	$ (1,700)
Less: Debt issuance costs, net of amortization	(320)	(425)
Carrying amount	$ 36,367	$ 35,925
Remaining debt discount amortization period (years)	1 year 4 months 24 days	1 year 10 months 24 days
Effective interest rate on liability component	6.95%	6.95%
Convertible Note due 2024
Debt Instrument [Line Items]
Principal Amount	$ 115,500	$ 115,500		$ 115,500
Less: Debt discount, net of amortization	(16,982)	(19,294)
Less: Debt issuance costs, net of amortization	(2,310)	(2,624)
Carrying amount	$ 96,208	$ 93,582
Remaining debt discount amortization period (years)	3 years 2 months 12 days	3 years 8 months 12 days
Effective interest rate on liability component	7.95%	7.95%

Convertible Debt - Interest (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2021	Jun. 26, 2020	Jul. 02, 2021	Jun. 26, 2020
Convertible Note due 2022
Debt Instrument [Line Items]
Contractual interest expense	$ 412	$ 128	$ 824	$ 128
Amortization of debt discount	171	49	337	49
Amortization of debt issuance costs	53	15	105	15
Total interest expense recognized	636	192	1,266	192
Convertible Note due 2024
Debt Instrument [Line Items]
Contractual interest expense	578	578	1,156	1,156
Amortization of debt discount	1,166	1,077	2,312	2,134
Amortization of debt issuance costs	158	146	314	290
Total interest expense recognized	$ 1,902	$ 1,801	$ 3,782	$ 3,580

Fair Value Measurements (Detail) - USD ($) $ in Thousands	Jul. 02, 2021	Dec. 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying amount	$ 132,575	$ 129,507
Convertible Note due 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying amount	36,367	35,925
Convertible Note due 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying amount	96,208	93,582
Level 2 [Member] \| Convertible Note due 2022 \| Fair Value, Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Convertible Debt, Fair Value Disclosures	59,577	54,204
Level 2 [Member] \| Convertible Note due 2024 \| Fair Value, Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Convertible Debt, Fair Value Disclosures	$ 135,297	$ 125,953

Earnings Per Share - Anti-dilutive Securities (Detail) - shares shares in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2021	Jun. 26, 2020	Jul. 02, 2021	Jun. 26, 2020
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potential weighted common shares outstanding excluded from diluted net loss per share	5,849	5,102	6,002	5,704
Convertible Debt
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potential weighted common shares outstanding excluded from diluted net loss per share	1,645	0	1,720	584
Stock Option
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potential weighted common shares outstanding excluded from diluted net loss per share	839	1,558	1,015	1,677
Restricted Stock Units (RSUs)
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potential weighted common shares outstanding excluded from diluted net loss per share	2,961	2,963	2,895	2,931
Employee Stock Purchase Plan
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potential weighted common shares outstanding excluded from diluted net loss per share	404	581	372	512

Earnings Per Share - Narratives (Details) shares in Millions	Jan. 01, 2022 shares
AccountingStandardsUpdate202006Member \| Subsequent Event
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Increased number of shares for diluted EPS using if-converted method	19.9

Segment Information - Summary Financial Infomation by reportable segments (Details)
$ in Thousands

3 Months Ended

6 Months Ended

Jul. 02, 2021

USD ($)

Jun. 26, 2020

USD ($)

Jul. 02, 2021

USD ($)

segment

Jun. 26, 2020

USD ($)

^[1]

$ 113,448

$ 73,994

$ 225,024

$ 152,411

60,505

37,773

115,650

74,511

Number of Reportable Segments | segment

2,136

(9,554)

$ (1,708)

(27,603)

Operating Segments [Member]

113,448

73,994

$ 225,024

152,411

61,109

38,152

117,291

76,473

Operating Segments [Member] | Video [Member]

6,551

(5,115)

11,619

(14,647)

63,355

47,453

133,686

101,825

37,571

26,024

76,345

53,931

Operating Segments [Member] | Cable Access [Member]

1,559

(4,237)

5,331

(10,504)

50,093

26,541

91,338

50,586

23,538

12,128

40,946

22,542

$ 4,992

$ (878)

$ 6,288

$ (4,143)

[1]	Revenue is attributed to countries based on the location of the customer.

Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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Segment Information Segment Income or Loss Reconciliation (Details) - USD ($)
$ in Thousands

3 Months Ended

6 Months Ended

Jul. 02, 2021

Jun. 26, 2020

Jul. 02, 2021

Jun. 26, 2020

Unallocated Corporate Expenses

$ 2,136

$ (9,554)

$ (1,708)

$ (27,603)

(58,369)

(47,327)

(117,358)

(102,114)

Stock-based compensation

(4,033)

(3,548)

(12,431)

(9,807)

Amortization of intangibles

(807)

(507)

(2,462)

Nonoperating expense, net

(2,777)

(4,269)

(4,361)

(7,445)

Loss before income taxes

(641)

(13,823)

(6,069)

(35,048)

Operating Segments [Member]

Corporate, Non-Segment [Member]

6,551

(5,115)

11,619

(14,647)