Business Segment Data (Details) - Business Segment Data - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Revenues:
Revenues	$ 3,837,000	$ 4,354,000
Operating (loss) income:
Operating Income (Loss)	(963,000)	(837,000)
Interest expense, net	(35,000)	(50,000)
(Loss) gain on foreign currency remeasurement	(134,000)	$ 232,000
Gain on sale /leaseback transaction	22,000
Warrant expense	(7,000)	$ (18,000)
Loss before income taxes	$ (1,117,000)	(673,000)
Income tax expense		(8,000)
Net loss	$ (1,117,000)	(681,000)
Corporate, Non-Segment [Member]
Operating (loss) income:
Operating Income (Loss)	(872,000)	(798,000)
Digital Product Sales [Member] | Operating Segments [Member]
Revenues:
Revenues	3,000,000	3,406,000
Operating (loss) income:
Operating Income (Loss)	(360,000)	(309,000)
Digital Product Lease and Maintenance [Member] | Operating Segments [Member]
Revenues:
Revenues	837,000	948,000
Operating (loss) income:
Operating Income (Loss)	$ 269,000	$ 270,000