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Other current liabilities (Tables)
 12 Months Ended
Dec. 31, 2022
Miscellaneous current liabilities [abstract]  
Summary of other current liabilities
Amounts in thousands USDAs of December 31, 2022As of December 31, 2021
Salaries and wages$13,274$6,306
Advance invoiced customers1,6945,447
Royalties2,3211,233
Other current liabilities8,4116,663
Total$25,700$19,649