CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares |
Dec. 31, 2016 |
Dec. 31, 2015 |
|---|---|---|
| Preferred stock, par value (in dollars per share) | $ 0.001 | $ 0.001 |
| Preferred stock, authorized shares | 5,000,000 | 5,000,000 |
| Preferred stock, issued shares | 0 | 0 |
| Preferred stock, outstanding shares | 0 | 0 |
| Common stock, par value (in dollars per share) | $ 0.001 | $ 0.001 |
| Common stock, authorized shares | 100,000,000 | 100,000,000 |
| Common stock, issued shares | 29,364,100 | 20,739,351 |
| Common stock, outstanding shares | 29,364,100 | 20,739,351 |