CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Revenues:
Revenues	$ 2,624,000	$ 4,349,000
Cost of revenues:
Cost of revenues	2,620,000	3,908,000
Gross income	4,000	441,000
General and administrative expenses	(1,126,000)	(1,078,000)
Operating loss	(1,122,000)	(637,000)
Interest expense, net	(142,000)	(144,000)
Gain (loss) on foreign currency remeasurement	52,000	(8,000)
Pension expense	(50,000)	(63,000)
Loss before income taxes	(1,262,000)	(852,000)
Income tax expense	(7,000)	(6,000)
Net loss	(1,269,000)	(858,000)
Digital Product Sales [Member]
Revenues:
Revenues	2,429,000	4,121,000
Cost of revenues:
Cost of revenues	2,535,000	3,803,000
Digital Product Lease and Maintenance [Member]
Revenues:
Revenues	195,000	228,000
Cost of revenues:
Cost of revenues	$ 85,000	$ 105,000