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STOCK-BASED COMPENSATION - Other (Details) $ / shares in Units, $ in Thousands |  |  |  | 12 Months Ended
--- | --- | --- | --- | ---
Oct. 13, 2016 USD ($) $ / shares shares | Jul. 07, 2016 | Apr. 15, 2016 | Dec. 31, 2016 USD ($)
Peter C. Georgiopoulos, Chairman of Board |  |  |  |
Stock Awards |  |  |  |
Warrants exercisable | shares | 213,937 |  |  |
Peter C. Georgiopoulos, Chairman of Board | Minimum |  |  |  |
Stock Awards |  |  |  |
Exercise price per share | $ / shares | $ 259.10 |  |  |
Peter C. Georgiopoulos, Chairman of Board | Maximum |  |  |  |
Stock Awards |  |  |  |
Exercise price per share | $ / shares | $ 341.90 |  |  |
Peter C. Georgiopoulos, Chairman of Board | Separation and release agreement |  |  |  |
Stock Awards |  |  |  |
Severance payment | $ | $ 500 |  |  |
Common Stock |  |  |  |
Stock Awards |  |  |  |
Reverse stock split |  | 0.1 |  |
Common Stock | Minimum |  |  |  |
Stock Awards |  |  |  |
Reverse stock split |  |  | 0.04 |
Common Stock | Maximum |  |  |  |
Stock Awards |  |  |  |
Reverse stock split |  |  | 0.50 |
Restricted Stock | Peter C. Georgiopoulos, Chairman of Board |  |  |  |
Stock Awards |  |  |  |
Granted (in shares) | shares | 68,581 |  |  |
Restricted Awards and Warrants | Peter C. Georgiopoulos, Chairman of Board |  |  |  |
Stock Awards |  |  |  |
Recognized nonvested stock amortization expense | $ |  |  |  | $ 5,317

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