CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Share data	3 Months Ended		9 Months Ended
	Oct. 01, 2011	Oct. 02, 2010	Oct. 01, 2011	Oct. 02, 2010
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
Net sales	$ 37,264	$ 61,288	$ 116,310	$ 156,485
Cost of sales	30,229	39,049	90,576	102,949
Gross profit	7,035	22,239	25,734	53,536
Research and development expenses	9,938	13,326	34,851	37,321
Selling and administrative expenses	7,360	7,101	24,125	20,985
Restructuring and impairment (recovery) charges	0	0	1,047	(1,717)
Operating (loss) income	(10,263)	1,812	(34,289)	(3,053)
Interest income	145	106	417	292
Interest expense	0	(34)	(25)	(129)
Other income, net	104	111	155	488
(Loss) income before income taxes	(10,014)	1,995	(33,742)	(2,402)
Provision (benefit) for income taxes	0	(297)	0	(297)
Net (loss) income	$ (10,014)	$ 2,292	$ (33,742)	$ (2,105)
Earnings (loss) per share
Basic (loss) earnings per share	$ (0.15)	$ 0.04	$ (0.50)	$ (0.03)
Diluted (loss) earnings per share	$ (0.15)	$ 0.03	$ (0.50)	$ (0.03)
Weighted average common shares outstanding used in computing earnings (loss) per share
Basic	67,997	65,320	67,550	64,808