DETAIL OF SELECTED BALANCE SHEET ACCOUNTS - Intangible Assets (Details) - USD ($) $ in Thousands |
Jun. 30, 2017 |
Dec. 31, 2016 |
|---|---|---|
| Organization, Consolidation and Presentation of Financial Statements [Abstract] | ||
| Intangible assets | $ 1,379 | $ 1,356 |
| Less accumulated amortization | (682) | (635) |
| Intangible assets, net | $ 697 | $ 721 |