Revenue Recognition (Details) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Services Revenues
Total Net Sales	$ 6,148,000	$ 5,386,000
Services Transferred Over Time
Total Net Sales	456,000	2,025,000
Services Transferred At a Point in Time
Total Net Sales	$ 5,692,000	$ 3,361,000