Description of Business and Summary of Significant Accounting Policies (EPS) (Details) - USD ($) shares in Thousands, $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2016 |
Jun. 30, 2015 |
Jun. 30, 2016 |
Jun. 30, 2015 |
|
| Numerator: | ||||
| Net income (loss) | $ 524 | $ 2,041 | $ 7,163 | $ (2,190) |
| Denominator: | ||||
| Weighted average common stock outstanding for basic net income (loss) per common share (in shares) | 23,162 | 24,309 | 23,248 | 24,326 |
| Effect of dilutive securities—stock options and restricted stock units (in shares) | 768 | 987 | 710 | |
| Weighted average common shares and dilutive securities outstanding (in shares) | 23,930 | 25,296 | 23,958 | 24,326 |