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)

v3.4.0.3
Net Income (Loss) Per Share - Computation of Basic and Diluted Net Income (Loss) Per Share (Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended
Apr. 02, 2016
Apr. 04, 2015
Numerator:    
Net income (loss) attributable to U.S. Auto Parts $ 1,252 $ (60)
Dividends on Series A Convertible Preferred Stock 60 60
Net income (loss) available to common shares $ 1,192 $ (120)
Denominator:    
Weighted-average common shares outstanding (basic) (in shares) 34,497 33,720
Common equivalent shares from common stock options and warrants (in shares) 4,862 0
Weighted-average common shares outstanding (diluted) (in shares) 39,359 33,720
Basic and diluted net income (loss) per share (in dollars per share) $ 0.03 $ 0.00
Diluted net income (loss) per share (in dollars per share) $ 0.03 $ 0.00