STOCK-BASED COMPENSATION (Details 3) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Shares Available for Grant
Beginning balance	2,538,832	(1,583,059)
Granted	(1,000,000)
Forfeited	100,000
Exercised
End balance	55,773
Number of Shares
Beginning balance	2,742,500
Granted	1,000,000
Forfeited	(110,000)
Exercised	(60,000)
End balance	3,572,500
Weighted Average Exercise Price
Beginning balance	$ 0.77
Granted	0.70
Forfeited	1.33
Exercised	1.63
End balance	$ 0.72
Weighted Average Remaining Contractual Life
Beginning balance	8 years 9 months 18 days
End balance	7 years 8 months 19 days
Aggregate Intrinsic Value
Beginning balance	$ 6,688
End balance	$ 0