COMMITMENTS AND CONTINGENCIES, LEASE OTHER INFORMATION (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
COMMITMENTS AND CONTINGENCIES
Operating cash flows from short term leases	$ 21	$ 33
Operating cash flows from operating leases	375	243
Total cash paid for leases	$ 396	276
Right-of-use assets obtained in exchange for new operating lease liabilities		$ 1,475
Weighted-average remaining lease term - operating leases (years)	2 years 9 months 29 days	3 years 10 months 2 days
Weighted-average discount rate - operating leases	7.00%	7.00%