Balance Sheet Components (Tables)

6 Months Ended

Jun. 28, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Accounts Receivable, Net

The following tables provide details of selected balance sheet components (in thousands):

	June 28, 2019			December 31, 2018
Accounts receivable, net:
Accounts receivable	$	73,349		$	85,292
Less: allowances for doubtful accounts and sales returns	(2,778		)	(3,497		)
Total	$	70,571		$	81,795

Inventories

	June 28, 2019		December 31, 2018
Inventories:
Raw materials	$	1,199	$	1,705
Work-in-process	1,052		991
Finished goods	15,308		12,267
Service-related spares	10,100		10,675
Total	$	27,659	$	25,638

Prepaid, and Other Current Assets

	June 28, 2019		December 31, 2018
Prepaid expenses and other current assets:
Deferred cost of revenue	$	8,153	$	3,671
Prepaid expenses	7,998		4,834
Contract assets(1)	4,163		3,834
Capitalized sales commissions	1,168		1,098
French R&D tax credits receivable	—		7,305
Other	7,727		2,538
Total	$	29,209	$	23,280

(1) Contract assets reflect the satisfied performance obligations for which the Company does not yet have an unconditional right to consideration.

Property, Plant and Equipment

	June 28, 2019			December 31, 2018
Property and equipment, net:
Machinery and equipment	$	74,675		$	75,094
Capitalized software	33,375			32,696
Leasehold improvements	14,963			14,951
Furniture and fixtures	6,045			6,049
Property and equipment, gross	129,058			128,790
Less: accumulated depreciation and amortization	(109,746		)	(106,469		)
Total	$	19,312		$	22,321

Other Long Term Assets

	June 28, 2019		December 31, 2018
Other long-term assets:
French R&D tax credits receivable(2)	$	21,830	$	19,249
Deferred tax assets	8,932		8,695
Equity investment	3,593		3,593
Other	8,190		6,840
Total	$	42,545	$	38,377

Accrued Liabilities

	June 28, 2019		December 31, 2018
Accrued and other current liabilities:
Accrued employee compensation and related expenses	$	16,694	$	21,451
Operating lease liability (short-term)	10,519		—
Accrued warranty	4,802		4,869
Contingent inventory reserves	2,263		2,500
Accrued TVN VDP, current (3)	1,285		1,585
Accrued Avid litigation settlement, current	—		1,500
Others	21,201		20,856
Total	$	56,764	$	52,761

(3) See Note 10, “Restructuring and related charges-TVN VDP,” for additional information on the Company’s TVN VDP liabilities.

Other Non-current Liabilities

	June 28, 2019		December 31, 2018
Other non-current liabilities:
Operating lease liability (long-term)	$	27,009	$	—
Deferred revenue (long-term)	4,561		5,330
Others	9,741		12,898
Total	$	41,311	$	18,228