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STOCK-BASED COMPENSATION (Details Narrative)
$ / shares in Units, $ in Thousands
6 Months Ended
Jun. 30, 2019
USD ($)
$ / shares
STOCK-BASED COMPENSATION (Details Narrative)  
Closing stock price | $ / shares $ 0.58
Unrecognized stock-based compensation | $ $ 8,060
Weighted-average period 2 years 9 months