SHARE BASED COMPENSATION (Summary of the RSUs) (Details) - Restricted Share Units [Member] - $ / shares |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
|
| Number of shares | |||
| Outstanding at the beginning of the period (in shares) | 280,000 | 137,500 | 750,000 |
| Granted (in shares) | 0 | 280,000 | |
| Vested (in shares) | (140,000) | (137,500) | (200,000) |
| Forfeited (in shares) | (412,500) | ||
| Outstanding at the end of the period (in shares) | 140,000 | 280,000 | 137,500 |
| Weighted Average Grant Date Fair Value | |||
| Outstanding at the beginning of the period (in dollars per share) | $ 0.63 | $ 1.36 | $ 2.72 |
| Granted (in dollars per share) | 0 | 0.63 | |
| Vested (in dollars per share) | 0.63 | 1.36 | 2.72 |
| Forfeited (in dollars per share) | 2.72 | ||
| Outstanding at the end of the period (in dollars per share) | $ 0.63 | $ 0.63 | $ 1.36 |