CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Revenues:
Revenues	$ 4,349,000	$ 3,665,000
Cost of revenues:
Cost of revenues	3,908,000	3,123,000
Gross income	441,000	542,000
General and administrative expenses	(1,078,000)	(762,000)
Operating loss	(637,000)	(220,000)
Interest expense, net	(144,000)	(142,000)
Loss on foreign currency remeasurement	(8,000)	(16,000)
Gain on forgiveness of PPP loan		824,000
Pension (expense) benefit	(63,000)	53,000
(Loss) income before income taxes	(852,000)	499,000
Income tax expense	(6,000)	(6,000)
Net (loss) income	(858,000)	493,000
Digital Product Sales [Member]
Revenues:
Revenues	4,121,000	3,237,000
Cost of revenues:
Cost of revenues	3,803,000	2,958,000
Digital Product Lease And Maintenance [Member]
Revenues:
Revenues	228,000	428,000
Cost of revenues:
Cost of revenues	$ 105,000	$ 165,000