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The components of accounts payable and accrued liabilities are summarized below: (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Payables and Accruals [Abstract]    
Accounts payable $ 2,089 $ 2,233
Accrued liabilities 1,263 1,079
Current portion of lease liabilities 807 715
Total accounts payable and accrued liabilities $ 4,159 $ 4,027