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STOCK-BASED COMPENSATION. (Details Narrative) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Jun. 14, 2018 | Jun. 16, 2016
Total compensation cost related to unvested awards | $ 3,648 |  |  |  |
Compensation cost weighted average period | 1 year 7 months 17 days |  |  |  |
2006 Stock Incentive Plan [Member] |  |  |  |  |
Shares authorized |  | 1,715,000 |  |  |
2016 Stock Incentive Plan [Member] |  |  |  |  |
Shares authorized |  |  |  | 3,650,000 | 1,150,000
Stock Options [Member] |  |  |  |  |
Intrinsic values of outstanding options | $ 84,000 | $ 84,000 |  |  |
Fair value of stock vested | $ 1,629 | $ 3,210 | $ 1,142 |  |

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