SIGNIFICANT ACCOUNTING POLICIES - RESTRICTED CASH (Details) - USD ($) $ in Thousands |
Dec. 31, 2016 |
Dec. 31, 2015 |
|---|---|---|
| Restricted cash | ||
| Restricted cash | $ 361 | $ 361 |
| Security deposit related to credit card account | ||
| Restricted cash | ||
| Restricted cash | 50 | 50 |
| Standby letter of credit in favor of a landlord | ||
| Restricted cash | ||
| Restricted cash | $ 311 | $ 311 |