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Accrued Liabilities and Other - Summary of Accrued Liabilities and Other (Detail) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Accrued Liabilities and Other Liabilities [Abstract]    
Accrued expenses $ 519 $ 242
VAT payable 327  
Accrued income taxes 182 68
Other current liabilities 159 34
Total $ 1,187 $ 344