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5. SHARE-BASED COMPENSATION (Details Narrative) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Dec. 31, 2017
Share-based compensation $ 10 $ 67  
Unamortized estimated fair value of non-vested stock options $ 29    
Weighted average period of unamortized fair value 1 year 4 months 13 days    
Restricted Stock [Member]      
Stock grants during period     30