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STOCKHOLDERS' EQUITY (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Shares under option, granted 200 700
Weighted Average Exercise Price, Granted $ 2.99 $ 0.83
Warrant [Member]    
Balance Beginning 200 52
Shares under option, granted 0 150
Number of Shares, Exercised (50) (2)
Number of Warrants, Forfeited 0 0
Balance Ending 150 200
Weighted Average Exercise Price, Outstanding Beginning $ 1.86 $ 0.21
Weighted Average Exercise Price, Granted 0 2.42
Weighted Average Exercise Price, Exercised 0.20 0.35
Weighted Average Exercise Price, Forfeited 0 0
Weighted Average Exercise Price, Outstanding Ending $ 2.42 $ 1.86
Weighted Average Remaining Contractual Life (Years) 5 years 9 months 7 days 5 years 10 months 10 days
Aggregate Intrinsic Value Exercisable Beginning Balance $ 264 $ 0
Aggregate Intrinsic Value Exercisable Ending Balance $ 79 $ 264