Revenue Recognition (Tables)

3 Months Ended

Sep. 30, 2022

Revenue Recognition

Disaggregation Of Revenue

	Three months ended September 30				Nine months ended September 30
	2022		2021		2022		2021
	Services Revenues		Services Revenues		Services Revenues		Services Revenues
Timing of revenue recognition:
Services transferred over time	$	398,000	$	1,482,000	$	1,355,000	$	5,366,000
Services transferred at a point in time		4,471,000		2,011,000		12,916,000		9,609,000
Total	$	4,869,000	$	3,493,000	$	14,271,000	$	14,975,000

Deferred Revenue

Balance at December 31, 2021	$	842,000
Reclassification of beginning deferred revenue to revenue, as a result of performance obligations satisfied		(478,000	)
Cash received in advance and not recognized as revenue		555,000
Balance at September 30, 2022	$	919,000