Quarterly report pursuant to Section 13 or 15(d)

Net Loss Per Share (Details)

v2.4.0.6
Net Loss Per Share (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended 12 Months Ended
Mar. 30, 2013
Mar. 31, 2012
Dec. 29, 2012
Dec. 31, 2011
Numerator:        
Net loss $ (3,343) $ (788) $ 36,000 $ 15,100
Denominator:        
Weighted-average common shares outstanding (basic) 31,141 30,638    
Common equivalent shares from common stock options, warrants and Series A Convertible Preferred Stock          
Weighted-average common shares outstanding (diluted) 31,141 30,638    
Basic and diluted net loss per share $ (0.11) $ (0.03)