PREPAID EXPENSES AND OTHER CURRENT ASSETS (Details) - USD ($) $ in Thousands |
Dec. 31, 2016 |
Dec. 31, 2015 |
|---|---|---|
| PREPAID EXPENSES AND OTHER CURRENT ASSETS. | ||
| Prepaid PDUFA fees | $ 512 | |
| Prepaid development costs | 485 | |
| Prepaid Insurance | 328 | $ 420 |
| Other current assets | 304 | 205 |
| Other prepaid expenses | 276 | 208 |
| Deferred financing costs | 353 | |
| Total prepaid expenses and other current assets | $ 1,905 | $ 1,186 |