Quarterly report pursuant to Section 13 or 15(d)

Prepaid Expenses and Other Current Assets (Details)

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Prepaid Expenses and Other Current Assets (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Prepaid Expense and Other Assets, Current [Abstract]    
Prepaid operating expenses $ 3,320 $ 396
Prepaid insurance 1,544 2,338
Prepaid expenses 1,092 680
VAT receivable 979 945
Other current assets 4 1
Total $ 6,939 $ 4,360