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SUPPLEMENTAL FINANCIAL INFORMATION - Schedule of Accounts Payable and Accrued Liabilities (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Accounts payable $ 2,910 $ 3,038
Payroll liabilities 767 1,988
Other accrued liabilities 774 738
Accounts payable and accrued liabilities $ 4,451 $ 5,764