PROPERTY AND EQUIPMENT, NET (Summary of Property and Equipment) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 1,149	$ 908
Less-accumulated depreciation and amortization	(653)	(555)
Property, Plant and Equipment, Net, Total	496	353
Depreciation	100	100
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	12	9
Laboratory Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	299	181
Computer Equipment and Software [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	369	307
Equipment Under Capital Leases [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	402	296
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 67	$ 115