COMMITMENTS AND CONTINGENCIES (Lease Cost) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Lease Cost
Amortization of right-of-use assets	$ 5	$ 5
Interest on lease obligation	1	1
Total finance lease cost	6	6
Total operating lease cost	102	200
Short-term lease cost	113	252
Total lease cost	221	458
Cash paid for amounts included in the measurement of lease obligation:
Operating cash flows from operating leases	101	200
Financing cash flows from finance leases	$ 5	5
Weighted average remaining lease term for operating leases	5 years 3 months 18 days		5 years 7 months 6 days
Weighted average remaining lease term for finance leases	2 years 4 months 24 days		2 years 8 months 12 days
Weighted average discount rate for operating leases	3.40%		3.40%
Weighted average discount rate for finance leases	4.00%		4.00%
Boniface Engineering, Ltd.
Lease Cost
Total lease cost	$ 57	62
Jige International S.A.
Lease Cost
Total lease cost	$ 30	$ 43