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Schedule of Prepayments and Other Current Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Prepayments And Other Current Assets    
Prepaid expenses $ 2,321 $ 2,978
Prepaid supplies 927 487
Prepaid software license 129
Refundable income and franchise taxes 957 745
Unamortized debt costs 216
Other receivables 20 409
Total prepayments and other current assets $ 4,441 $ 4,748