Quarterly report pursuant to Section 13 or 15(d)

Net Income (Loss) Per Share - Computation of Basic and Diluted Net Income (Loss) Per Share (Detail)

v2.4.0.8
Net Income (Loss) Per Share - Computation of Basic and Diluted Net Income (Loss) Per Share (Detail) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended 12 Months Ended
Mar. 29, 2014
Mar. 30, 2013
Dec. 28, 2013
Dec. 29, 2012
Earnings Per Share [Abstract]        
Net income (loss) $ 201 $ (3,343) $ (15,634) $ (35,978)
Less: Preferred stock dividends 59       
Net income (loss) available to common stockholders $ 142 $ (3,343)    
Denominator:        
Weighted-average common shares outstanding (basic) 33,384 31,141    
Common equivalent shares from common stock options, warrants and unvested RSUs 774       
Weighted-average common shares outstanding (diluted) 34,158 31,141    
Basic net income (loss) per share $ 0.00 $ (0.11)    
Diluted net income (loss) per share $ 0.00 $ (0.11)