COMMITMENTS AND CONTINGENCIES (Lease Cost) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Lease Cost
Amortization of right-of-use assets	$ 6		$ 11
Interest on lease obligation			1
Total finance lease cost	6		12
Total operating lease cost	185		385
Short-term lease cost	318		570
Total lease cost	509		967
Cash paid for amounts included in the measurement of lease obligation:
Operating cash flows from operating leases	185		385
Financing cash flows from finance leases	$ 5		$ 10
Weighted average remaining lease term for operating leases	5 years 3 months 18 days		5 years 3 months 18 days
Weighted average remaining lease term for finance leases	3 years 2 months 12 days		3 years 2 months 12 days
Weighted average discount rate for operating leases	3.70%		3.70%
Weighted average discount rate for finance leases	4.00%		4.00%
Boniface Engineering, Ltd. [Member]
Lease Cost
Total lease cost	$ 55	$ 52	$ 117	$ 109
Jige International S.A. [Member]
Lease Cost
Total lease cost	$ 26	$ 36	$ 69	$ 73