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ACCRUED EXPENSES OTHER CURRENT LIABILITIES (Accrued Expenses) (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
ACCRUED EXPENSES OTHER CURRENT LIABILITIES [Abstract]    
Accrued expenses $ 995 $ 1,033
Accrued compensation 565 718
Accrued franchise, property and sales and use taxes 94 148
Accrued interest 19 19
Accrued expenses $ 1,673 $ 1,918