Accrued Expenses and Other Current Liabilities (Tables)

12 Months Ended

Dec. 31, 2021

Accrued Expenses and Other Current Liabilities

Schedule of accrued expenses and other current liabilities

	December 31, 2021		December 31, 2020
Accrued SPAC transaction costs	$	—	$	1,521
Accrued professional services		1,645		—
Accrued interest		841		246
Accrued payroll and benefits		1,014		207
Other accrued expense		368		194
Warranty liability		994		455
Customer deposits		85		267
Deferred revenue		62		—
Current portion of finance lease obligation		36		54
Total accrued expenses and other current liabilities	$	5,045	$	2,944

Schedule of changes in warrant liability

As of January 1, 2020	$	137
Charge for the period		544
Utilized during the period		(226)
As of December 31, 2020	$	455
Charge for the period		1,165
Utilized during the period		(626)
As of December 31, 2021	$	994