Net Income (Loss) per Common Share (Details Textual) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2015 |
Jun. 30, 2014 |
Jun. 30, 2015 |
Jun. 30, 2014 |
|
| Earnings Per Share [Abstract] | ||||
| Weighted average common shares excluded from dilutive shares outstanding | 250,776 | 2,781,002 | 2,764,016 | 2,630,705 |
| Common stock repurchased, shares | 0 | 167,961 | ||
| Common stock repurchased, value | $ 0.3 | |||