Revenue Recognition (Tables)

6 Months Ended

Jun. 30, 2021

Revenue Recognition

Disaggregation of revenue

	Three months ended June 30, 2021						Six months ended June 30, 2021
	Services Revenues		Products Revenue		Total Revenue		Services Revenues		Products Revenue		Total Revenue
Timing of revenue recognition:
Products and services transferred over time	$	1,861,000	$	-	$	1,861,000	$	3,884,000	$	-	$	3,884,000
Products and services transferred at a point in time		4,235,000		-		4,235,000		7,598,000		-		7,598,000
Total	$	6,096,000	$	-	$	6,096,000	$	11,482,000	$	-	$	11,482,000

	As Restated
	Three months ended June 30, 2020						Six months ended June 30, 2020
	Services Revenues		Products Revenue		Total Revenue		Services Revenues		Products Revenue		Total Revenue
Timing of revenue recognition:
Products and services transferred over time	$	2,012,000	$	-	$	2,012,000	$	5,343,000	$	-	$	5,343,000
Products and services transferred at a point in time		1,121,000		214,000		1,335,000		2,190,000		460,000		2,650,000
Total	$	3,133,000	$	214,000	$	3,347,000	$	7,533,000	$	460,000	$	7,993,000

Deferred revenue

Balance at December 31, 2020	$	180,000
Reclassification of beginning deferred revenue to revenue, as a result of performance obligations satisfied		(148,000	)
Cash received in advance and not recognized as revenue		243,000
Balance at June 30, 2021	$	275,000