Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2023

Revenue Recognition

Disaggregation Of Revenue

Three months ended March 31	2023		2022
Timing of revenue recognition:
Services transferred over time	$	263,000	$	456,000
Services transferred at a point in time		12,568,000		5,692,000
Total	$	12,831,000	$	6,148,000

Deferred Revenue

Balance at December 31, 2022	$	2,427,000
Reclassification of beginning deferred revenue to revenue, as a result of performance obligations satisfied		(2,062,000	)
Cash received in advance and not recognized as revenue		1,936,000
Balance at March 31, 2023	$	2,301,000