Quarterly report pursuant to Section 13 or 15(d)

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

v3.10.0.1
Net (Loss) Income Per Share - Computation of Basic and Diluted Net Income Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 29, 2018
Sep. 30, 2017
Sep. 29, 2018
Sep. 30, 2017
Numerator:        
Income from continuing operations $ 438 $ 919 $ 688 $ 28,653
Dividends on Series A Convertible Preferred Stock 41 41 120 149
Income from continuing operations available to common shares $ 397 $ 878 $ 568 $ 28,504
Denominator:        
Weighted-average common shares outstanding (basic) (in shares) 34,983 35,856 34,925 35,233
Common equivalent shares from common stock options, restricted stock, preferred stock and warrants (in shares) 218 3,629 354 4,625
Weighted-average common shares outstanding (diluted) (in shares) 35,201 39,485 35,279 39,858
Basic net income from continuing operations per share (in usd per share) $ 0.01 $ 0.02 $ 0.02 $ 0.81
Diluted net income from continuing operations per share (in usd per share) $ 0.01 $ 0.02 $ 0.02 $ 0.72