STOCKHOLDERS' EQUITY (Details) - $ / shares |
Jan. 31, 2017 |
Jan. 27, 2015 |
Mar. 31, 2014 |
Jul. 22, 2013 |
|---|---|---|---|---|
| Class of Warrant or Right [Line Items] | ||||
| Warrants Outstanding (in shares) | 368,765 | |||
| 2013 Private Placement Warrant [Member] | ||||
| Class of Warrant or Right [Line Items] | ||||
| Warrants Outstanding (in shares) | 121,979 | |||
| Weighted Average Exercise Price (in dollars per share) | $ 40 | |||
| 2013 Fortress Credit Agreement Warrant [Member] | ||||
| Class of Warrant or Right [Line Items] | ||||
| Warrants Outstanding (in shares) | 87,410 | 72,727 | ||
| Weighted Average Exercise Price (in dollars per share) | $ 41.2 | $ 41.25 | ||
| 2014 Private Placement Warrant [Member] | ||||
| Class of Warrant or Right [Line Items] | ||||
| Warrants Outstanding (in shares) | 59,693 | |||
| Weighted Average Exercise Price (in dollars per share) | $ 49 | $ 49.00 | ||
| 2015 Common Stock Offering [Member] | ||||
| Class of Warrant or Right [Line Items] | ||||
| Warrants Outstanding (in shares) | 99,683 | |||
| Weighted Average Exercise Price (in dollars per share) | $ 55.2 | $ 55.20 |