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SUPPLEMENTAL FINANCIAL INFORMATION - Schedule of Accounts Payable and Accrued Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Accounts payable $ 3,038 $ 1,108
Payroll liabilities 1,988 1,512
Other accrued liabilities 738 701
Accounts payable and accrued liabilities $ 5,764 $ 3,321