DEBT - Summary of debt (Details) - USD ($) $ in Thousands |
Sep. 30, 2017 |
Dec. 31, 2016 |
|---|---|---|
| Debt Instrument [Line Items] | ||
| Less deferred financing costs | $ (3,236) | $ (840) |
| Long-term debt, total | 15,745 | 16,160 |
| Less current portion of long-term debt (net of deferred financing costs) | (5,702) | (1,275) |
| Noncurrent portion of long-term debt | 10,043 | 14,885 |
| Notes payable to Hale Capital | ||
| Debt Instrument [Line Items] | ||
| Long-term debt, gross | 13,981 | |
| Note payable to Kenneth Rainin Foundation (a related party) | ||
| Debt Instrument [Line Items] | ||
| Long-term debt, gross | $ 5,000 | |
| Note payable to Crystal Financial LLC, with interest at LIBOR plus margin | ||
| Debt Instrument [Line Items] | ||
| Long-term debt, gross | $ 17,000 |