v3.21.1
Supplemental Financial Statement Information - Other Current Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Other current assets:    
VAT refund receivable $ 4,391 $ 0
Prepaid expenses 1,542 2,850
Other 4,959 2,074
Total other current assets $ 10,892 $ 4,924