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Accrued liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Accrued liabilities [Abstract]    
Salaries and compensation related $ 2,744 $ 2,854
Taxes 530 79
Professional and consulting 371 285
Other 432 676
Accrued liabilities $ 4,077 $ 3,894