Quarterly report pursuant to Section 13 or 15(d)

Prepaid Expenses and Other Current Assets - Schedule of Prepaid Expenses and Other Current Assets (Details)

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Prepaid Expenses and Other Current Assets - Schedule of Prepaid Expenses and Other Current Assets (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]    
Advance to vendors $ 4,877 $ 7,343
Other 3,096 4,063
Total prepaid expenses and other current assets $ 7,973 $ 11,406