Quarterly report pursuant to Section 13 or 15(d)

Consolidated Balance Sheets (Unaudited) (Parenthetical)

v3.8.0.1
Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($)
shares in Thousands, $ in Thousands
Mar. 31, 2018
Dec. 30, 2017
Common stock, par value (in usd per share) $ 0.001 $ 0.001
Common stock, shares authorized (in shares) 100,000 100,000
Common stock, shares issued (in shares) 34,939 34,666
Common stock, shares outstanding (in shares) 34,939 34,666
Treasury stock (in shares) 2,525 2,525
Series A Convertible Preferred Stock    
Series A convertible preferred stock, par value (in usd per share) $ 0.001 $ 0.001
Share liquidation value (in usd per share) $ 1.45 $ 1.45
Share aggregate value $ 6,017 $ 6,017
Series A convertible preferred stock, shares authorized (in shares) 4,150 4,150
Series A convertible preferred stock, shares issued (in shares) 2,771 2,771
Series A convertible preferred stock, shares outstanding (in shares) 2,771 2,771