COMMITMENTS (Schedule of Operating lease expense) (Details) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)
Lessee, Lease, Description [Line Items]
Additional right of use asset and liability recognized on Current Space		$ 713
Expected right of use asset and liability of the Additional Space to be recognized on the Commencement Date	$ 351	351
Office Building [Member]
Lessee, Lease, Description [Line Items]
Operating lease cost	212	394
Vehicle [Member]
Lessee, Lease, Description [Line Items]
Operating lease cost	$ 8	$ 33