Supplementary Financial Information (Tables)

12 Months Ended

Dec. 31, 2013

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information

The tables below set forth selected unaudited financial data for each quarter for the last two fiscal years (in thousands, except for per share amounts):

	Three Months Ended
	March 31, 2013			June 30, 2013			September 29, 2013			December 31, 2013
Net revenues	$	20,237		$	24,574		$	33,840		$	40,783
Gross margin	$	4,368		$	8,467		$	11,424		$	13,147
Income (loss) from operations	$	(9,753	)	$	(3,059	)	$	(230	)	$	2,029
Net income (loss)	$	(9,508	)	$	(3,567	)	$	(412	)	$	2,512
Net income (loss) per share:
Basic	$	(0.16	)	$	(0.06	)	$	(0.01	)	$	0.04
Diluted	$	(0.16	)	$	(0.06	)	$	(0.01	)	$	0.04
Shares used in computing net income (loss) per share:
Basic	58,728			58,891			59,024			59,127
Diluted	58,728			58,891			59,024			60,830
	Three Months Ended
	April 1, 2012			July 1, 2012			September 30, 2012			December 31, 2012
Net revenues	$	50,504		$	34,884		$	20,398		$	20,740
Gross margin	$	16,934		$	13,255		$	7,734		$	6,977
Loss from operations	$	(1,283	)	$	(3,072	)	$	(6,141	)	$	(8,788	)
Net loss	$	(1,119	)	$	(3,346	)	$	(6,034	)	$	(8,820	)
Net loss per share:
Basic and diluted	$	(0.02	)	$	(0.06	)	$	(0.10	)	$	(0.15	)
Shares used in computing net loss per share:
Basic and diluted	58,420			58,507			58,586			58,638