Quarterly report pursuant to Section 13 or 15(d)

Accrued Expenses and Other Current Liabilities (Details)

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Accrued Expenses and Other Current Liabilities (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Accrued Expenses and Other Current Liabilities    
Accrued SPAC transaction costs   $ 1,521
Other accrued expense $ 645 194
Accrued professional services 983  
Accrued interest 2,758 246
Accrued payroll and benefits 984 207
Warranty liability 801 455
Customer deposits 569 267
Total accrued expenses and other current liabilities $ 6,740 $ 2,890