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Accrued expenses and other current liabilities (Tables)

12 Months Ended

Dec. 31, 2021

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, 2021				December 31, 2020
Accrued cost of revenue		$	43,185			$	7,812
Accrued compensation			981				2,869
Other accrued expenses			3,694				2,874
Total accrued expenses		$	47,860			$	13,555

Warranty reserves		$	4,032			$	3,985
Current portion of operating lease liability			452				230
Non-federal tax obligations			172				635
Other			-				11
Total other current liabilities		$	4,656			$	4,861

Schedule of warranty accruals

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


		Year ended December 31,
(in thousands)		2021				2020				2019
Balance at beginning of period		$	6,811			$	2,057			$	—
Warranties issued during the period			8,588				7,866				2,057
Settlements made during the period			(5,270	)			(3,111	)			—
Changes in liability for pre-existing warranties			(783	)			(1	)			—
Balance at end of period		$	9,346			$	6,811			$	2,057

Accrued warranty balance reported in:
Other current liabilities		$	4,032			$	3,985			$	1,368
Other non-current liabilities			5,314				2,826				689
Balance at end of period		$	9,346			$	6,811			$	2,057