Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2022

Revenue Recognition

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		33,000
Balance at March 31, 2022	$	397,000

Disaggregation Of Revenue

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

Three months ended March 31, 2021	Services Revenues
Timing of revenue recognition:
Services transferred over time	$	2,025,000
Services transferred at a point in time		3,361,000
Total	$	5,386,000