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SUBSEQUENT EVENTS (Details) - Subsequent Event - USD ($) $ in Thousands			3 Months Ended
	May 09, 2018	Apr. 14, 2018	Jun. 30, 2018
Subsequent Event [Line Items]
Proceeds from issuance of common stock	$ 50,000
Common stock to be sold (shares)	553,187
Forecast
Subsequent Event [Line Items]
Total severance costs			$ 700
Chief Product Officer (CPO)
Subsequent Event [Line Items]
Base salary		$ 280
Additional salary payable		$ 370
Period of time additional salary is payable		1 year
Underwriting
Subsequent Event [Line Items]
30 day option	30 days
Option to purchase additional shares (percent)	15.00%