Deferred Revenue

3 Months Ended

Mar. 31, 2025

Deferred Revenue Disclosure [Abstract]

Deferred Revenue

Note 10. Deferred Revenue

Deferred revenue, comprising individually immaterial amounts for extended warranty, enhanced product maintenance and advance payments on nonrecurring engineering ("NRE") services contracts, represents contracted revenue that has not yet been recognized. We recognized $0.6 million of revenue related to amounts included in deferred revenue as of December 31, 2024 for the three months ended March 31, 2025. We recognized $0.7 million of revenue related to amounts included in deferred revenue as of December 31, 2023 for the three months ended March 31, 2024.

The following table presents the changes in deferred revenue for the indicated periods (in thousands):

	Three Months Ended March 31,
	2025			2024
Balance at beginning of period	$	1,968		$	1,985
Deferral of revenue		505			633
Recognition of deferred revenue		(617	)		(709	)
Balance at end of period	$	1,856		$	1,909