Consolidated Balance Sheets (Parenthetical) - $ / shares |
Dec. 31, 2016 |
Dec. 31, 2015 |
|---|---|---|
| Mezzanine equity | ||
| Series A preferred stock, par value (in dollars per share) | $ 0.001 | $ 0.001 |
| Series A preferred stock, shares issued | 1,840,000 | 0 |
| Series A preferred stock, shares outstanding | 1,840,000 | 0 |
| Treasury stock | ||
| Treasury stock, shares | 22,602 | 22,602 |
| Class A common stock | ||
| Common stock | ||
| Common stock, par value (in dollars per share) | $ 0.001 | $ 0.001 |
| Common stock, shares issued | 57,048,076 | 30,573,509 |
| Common stock, shares outstanding | 57,025,474 | 30,550,907 |
| Class B common stock | ||
| Common stock | ||
| Common stock, par value (in dollars per share) | $ 0.001 | $ 0.001 |
| Common stock, shares issued | 29,832,098 | 31,273,130 |
| Common stock, shares outstanding | 29,832,098 | 31,273,130 |