ACCRUED LIABILITIES - Accrued Liabilities on the Balance Sheet (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
ACCRUED LIABILITIES.
Royalties payable	$ 1,151	$ 1,151
Other Accrued Liabilities	812	978
Total accrued Liabilities	$ 1,963	$ 2,129