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Condensed Consolidated Statements of Comprehensive Income (Loss) (unaudited) (USD $)
In Thousands
3 Months Ended 6 Months Ended
Jul. 03, 2011
Jul. 04, 2010
Jul. 03, 2011
Jul. 04, 2010
Net income (loss) $ (2,060) $ (215) $ (2,938) $ (358)
Other comprehensive gain (loss), net of tax:        
Unrealized gain (loss) on available-for-sale investments (103) (200) (142) (325)
Total comprehensive Income (loss) $ (2,163) $ (415) $ (3,080) $ (683)