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Accrued Liabilities and Other - Summary of Accrued Liabilities and Other (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Accrued Liabilities and Other Liabilities [Abstract]    
Accrued expenses $ 883 $ 519
VAT payable 339 327
Accrued income taxes 143 182
Contract liabilities 87 19
Other current liabilities 735 140
Accrued liabilities and other $ 2,187 $ 1,187