CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenues:
Revenues	$ 2,986,000	$ 7,302,000	$ 7,335,000	$ 10,967,000
Cost of revenues:
Cost of revenues	2,732,000	5,942,000	6,640,000	9,065,000
Gross income	254,000	1,360,000	695,000	1,902,000
General and administrative expenses	(816,000)	(822,000)	(1,894,000)	(1,584,000)
Operating (loss) income	(562,000)	538,000	(1,199,000)	318,000
Interest expense, net	(194,000)	(130,000)	(338,000)	(272,000)
(Loss) gain on foreign currency remeasurement	(51,000)	76,000	(59,000)	60,000
Gain on forgiveness of PPP loan				824,000
Pension (expense) benefit	(62,000)	52,000	(125,000)	105,000
(Loss) income before income taxes	(869,000)	536,000	(1,721,000)	1,035,000
Income tax expense	(6,000)	(6,000)	(12,000)	(12,000)
Net (loss) income	(875,000)	530,000	(1,733,000)	1,023,000
Digital Product Sales [Member]
Revenues:
Revenues	2,767,000	7,016,000	6,888,000	10,253,000
Cost of revenues:
Cost of revenues	2,617,000	5,800,000	6,420,000	8,758,000
Digital Product Lease And Maintenance [Member]
Revenues:
Revenues	219,000	286,000	447,000	714,000
Cost of revenues:
Cost of revenues	$ 115,000	$ 142,000	$ 220,000	$ 307,000