Deferred Revenue

12 Months Ended

Dec. 31, 2023

Deferred Revenue Disclosure [Abstract]

Deferred Revenue

Note 13. Deferred Revenue

Deferred revenue, comprising individually immaterial amounts for extended warranties, enhanced product maintenance and advance payments on NRE services contracts, represents contracted revenue that we have not yet recognized.

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

	Year Ended December 31,
	2023			2022
Balance at beginning of period	$	2,599		$	794
Balance from acquisition		1,233			—
Deferral of revenue		2,920			3,143
Recognition of deferred revenue		(4,767	)		(1,338	)
Balance at end of period	$	1,985		$	2,599

During 2023, we recognized $2.2 million revenue which we included in deferred revenue as of December 31, 2022. During 2022, we recognized $0.4 million revenue which we included in deferred revenue as of December 31, 2021.