Accrued Expenses and Other Current Liabilities (Tables)

3 Months Ended

Mar. 31, 2022

Accrued Expenses and Other Current Liabilities

Schedule of accrued expenses and other current liabilities

	March 31, 2022		December 31, 2021
Accrued professional services	$	2,320	$	1,645
Accrued interest		2,488		841
Accrued payroll and benefits		1,675		1,014
Other accrued expense		571		368
Warranty liability		1,191		994
Customer deposits		228		85
Deferred revenue		111		62
Current portion of finance lease obligation		61		36
Total accrued expenses and other current liabilities	$	8,645	$	5,045

Schedule of changes in warrant liability

Changes in warranty liability (included in accrued expenses and other current liabilities) were as follows:

	Three months ended March 31,
	2022		2021
Balance at beginning of period	$	994	$	455
Charge for the period		252		211
Utilized during the period		(55)		(155)
Balance at end of period	$	1,191	$	511