Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Accounts receivable, net of allowance for doubtful accounts | $ 0 | $ 0 |
| Preferred stock, shares authorized | 40,000,000 | 40,000,000 |
| Common stock, par value | $ 0.001 | $ 0.001 |
| Common stock, shares authorized | 275,000,000 | 275,000,000 |
| Common stock, shares issued | 80,024,218 | 78,632,810 |
| Common stock, shares outstanding | 80,024,218 | 78,632,810 |
| Series A Preferred Stock | ||
| Preferred stock, shares authorized | 10,000,000 | 10,000,000 |
| Preferred stock, par value | $ 0.01 | $ 0.01 |
| Preferred stock, shares issued | 4,045,000 | 4,045,000 |
| Preferred stock, shares outstanding | 4,045,000 | 4,045,000 |
| Liquidation Preference | $ 25.00 | $ 25.00 |
| Series B Preferred Stock | ||
| Preferred stock, shares authorized | 10,000,000 | 10,000,000 |
| Preferred stock, par value | $ 0.01 | $ 0.01 |
| Preferred stock, shares issued | 2,140,000 | 2,140,000 |
| Preferred stock, shares outstanding | 2,140,000 | 2,140,000 |
| Liquidation Preference | $ 25.00 | $ 25.00 |