Balance Sheet Components

6 Months Ended

Jun. 28, 2015

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Balance sheet components

Balance Sheet Components

	As of
	June 28, 2015			December 28, 2014
	(in thousands)
Inventories:
Raw material	$	—		$	—
Work-in-process	1,798			1,191
Finished goods	1,203			3,761
	$	3,001		$	4,952
Other current assets:
Prepaid expenses	$	765		$	1,042
Other	108			104
	$	873		$	1,146
Property and equipment:
Equipment	$	14,100		$	14,047
Software	2,852			3,332
Furniture and fixtures	711			710
Leasehold improvements	714			595
	18,377			18,684
Accumulated depreciation and amortization	(15,688		)	(15,467		)
	$	2,689		$	3,217
Accrued liabilities:
Employee related accruals	$	1,792		$	1,356
Restructuring accruals - See Note 12	169			—
Other	108			218
	$	2,069		$	1,574