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Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2020

Revenue Recognition [Abstract]

Disaggregation of Revenue

	Three months ended September 30, 2020			Nine months ended September 30, 2020
		Services Revenues				Products Revenue				Total Revenue				Services Revenues				Products Revenue				Total Revenue
Timing of revenue recognition:
Products and services transferred over time		$	2,031,000			$	-			$	2,031,000			$	7,392,000			$	-			$	7,392,000
Products and services transferred at a point in time			2,342,000				118,000				2,460,000				4,591,000				578,000				5,169,000
Total		$	4,373,000			$	118,000			$	4,491,000			$	11,983,000			$	578,000			$	12,561,000

	Three months ended September 30, 2019			Nine months ended September 30, 2019
		Services Revenues				Products Revenue				Total Revenue				Services Revenues				Products Revenue				Total Revenue
Timing of revenue recognition:
Products and services transferred over time		$	3,401,000			$	-			$	3,401,000			$	11,099,000			$	-			$	11,099,000
Products and services transferred at a point in time			999,000				254,000				1,253,000				3,375,000				1,162,000				4,537,000
Total		$	4,400,000			$	254,000			$	4,654,000			$	14,474,000			$	1,162,000			$	15,636,000

Schedule of Changes in Deferred Revenue

Balance at December 31, 2019		$	140,000
Reclassification of beginning deferred revenue to revenue, as a result of performance obligations satisfied			(140,000	)
Cash received in advance and not recognized as revenue			316,000
Balance at September 30, 2020		$	316,000