COMMITMENTS AND CONTINGENCIES, LEASE CLASSIFICATION (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
COMMITMENTS AND CONTINGENCIES
Operating Lease, Right-of-Use Asset	$ 853	$ 928
Financial position	Total lease assets
Total lease assets	$ 853	928
Operating Liabilities - Current	$ 336	327
Financial position	Operating Liabilities - Current
Operating Liabilities - Non Current	$ 605	693
Financial position	Operating Liabilities - Non Current
Total Operating Liabilities	$ 941	$ 1,020
Financial position	us-gaap:OperatingLeaseLiabilityCurrent us-gaap:OperatingLeaseLiabilityNoncurrent