REVENUE RECOGNITION - Schedule of Revenue from Customer by Geographic Area and Source (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
REVENUES	$ 134	$ 157
Design services
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
REVENUES	125	107
Royalties
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
REVENUES	9	50
United States
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
REVENUES	134	137
Switzerland
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
REVENUES	$ 0	$ 20