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Accrued liabilities and other payables (Tables)
 12 Months Ended
Dec. 31, 2022
Miscellaneous current liabilities [abstract]  
Accrued liabilities and other payables

Accrued liabilities and other payables

       
            December 31,
  2022   2021
Accrued Interest Swap Loss —   30
Accrued audit fees 77   82
Other accruals 5,552   3,262
Insurance deductibles 104   64
Other payables 81   59
Total 5,814   3,497