Annual report pursuant to Section 13 and 15(d)

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

v3.8.0.1
Net Income (Loss) Per Share - Computation of Basic and Diluted Net Loss Per Share (Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 12 Months Ended
Dec. 30, 2017
Sep. 30, 2017
Jul. 01, 2017
Apr. 01, 2017
Dec. 31, 2016
Oct. 01, 2016
Jul. 02, 2016
Apr. 02, 2016
Dec. 30, 2017
Dec. 31, 2016
Jan. 02, 2016
Numerator:                      
Income from continuing operations $ (4,079) $ 919 $ 26,918 $ 816 $ (195) $ 358 $ 1,216 $ 1,537 $ 24,574 $ 2,973 $ (136)
Dividends on Series A Convertible Preferred Stock                 (189) (241) (241)
Income from continuing operations available to common shares                 $ 24,385 $ 2,732 $ (377)
Denominator:                      
Weighted-average common shares outstanding (basic) (in shares) 35,070 35,856 35,332 34,510 34,878 34,932 34,753 34,497 35,192 34,765 33,946
Common equivalent shares from common stock options, preferred stock and warrants (in shares)                 4,442 1,442 0
Weighted-average common shares outstanding (diluted) (in shares) 35,070 39,485 39,933 39,959 34,878 40,591 40,007 39,359 39,634 36,207 33,946
Basic net income (loss) from continuing operations per share (in dollars per shares) $ (0.12) $ 0.02 $ 0.76 $ 0.02 $ (0.01) $ 0.01 $ 0.03 $ 0.04 $ 0.69 $ 0.08 $ (0.01)
Diluted net income (loss) from continuing operations per share (in dollars per share) $ (0.12) $ 0.02 $ 0.67 $ 0.02 $ (0.01) $ 0.01 $ 0.03 $ 0.04 $ 0.62 $ 0.08 $ (0.01)