Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2021

Commitments And Contingencies Disclosure [Abstract]

Summary of Principal Contractual Obligations, Excluding Operating Leases

The following table summarizes the Company’s principal contractual commitments, excluding operating leases, as of March 31, 2021 (in thousands):

	Purchase Commitments		Other Contractual Commitments		Total
2021 (remaining nine months)	$	14,845	$	241	$	15,086
2022		165		—		165
Total	$	15,010	$	241	$	15,251

Summary of Warranty Accrual Account Activity

The following table summarizes the Company’s warranty accrual account activity during the three months ended March 31, 2021 and 2020:

	Three Months Ended March 31,
	2021			2020
Balance at beginning of period	$	321		$	399
Accruals for warranties charged to expense		16			9
Cost of warranty claims		(2	)		(22	)
Balance at end of period	$	335		$	386