CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares |
Sep. 30, 2016 |
Dec. 31, 2015 |
|---|---|---|
| Statement of Financial Position [Abstract] | ||
| Common stock, par value (in dollars per share) | $ 0.001 | $ 0.001 |
| Common stock, shares authorized | 400,000,000 | 100,000,000 |
| Common stock, shares outstanding | 75,839,998 | 75,536,741 |