Accrued expenses and other current liabilities (Tables)

12 Months Ended

Dec. 31, 2023

Accrued Expenses and Other Current Liabilities Abstract

Schedule of Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities consisted of the following:

(in thousands)	December 31, 2023		December 31, 2022
Accrued cost of revenue	$	26,773	$	13,198
Related party accrued cost of revenue		1,451		—
Accrued compensation		3,858		4,688
Other accrued expenses		2,766		6,010
Total accrued expenses	$	34,848	$	23,896
Warranty reserves	$	7,279	$	8,004
Current portion of operating lease liability		740		417
Non-federal tax obligations		119		463
Total other current liabilities	$	8,138	$	8,884

Schedule of warranty accruals

Activity by period in the Company's warranty accruals was as follows:

	Year ended December 31,
(in thousands)	2023			2022			2021
Balance at beginning of period	$	12,426		$	9,346		$	6,811
Warranties issued and remediation added during the period		4,310			8,228			8,588
Settlements made during the period		(4,254	)		(4,041	)		(5,270	)
Changes in liability for pre-existing warranties		(1,480	)		(1,107	)		(783	)
Balance at end of period	$	11,002		$	12,426		$	9,346
Warranty accruals are reported in:
Other current liabilities	$	7,279		$	8,004		$	4,032
Other non-current liabilities		3,723			4,422			5,314
Balance at end of period	$	11,002		$	12,426		$	9,346