COMMITMENTS AND CONTINGENCIES (Details 2) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Operating leases
Right-of-use assets, net	$ 257	$ 343
Right-of-use lease liabilities, current	104	93
Right-of-use lease liabilities, noncurrent	174	278
Total operating lease liabilities	278	371
Finance lease right-to-use assets, net	40	52
Current liabilities	13	12
Noncurrent liabilities	27	40
Total financing lease liabilities	$ 40	$ 52
Weighted average remaining lease term, operating lease	2 years 3 months 14 days	3 years 3 months 21 days
Weighted average remaining lease term, finance lease	2 years 9 months 18 days	3 years 9 months 25 days
Weighted average discount rate	11.30%	11.30%
Weighted average discount rate	9.00%	9.00%