Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Revenue:
Product	$ 195	$ 205
Maintenance	649	712
Total revenue	844	917
Cost of sales:
Product	32	37
Maintenance	89	104
Research and development	630	754
Sales and marketing	109	99
General and administrative	702	695
Total operating costs and expenses	1,562	1,689
Loss from operations	(718)	(772)
Other income, net	2	46
Warrant expense	(65)
Interest expense:
Related party	(74)	(34)
Other	(194)	(140)
Amortization of debt discount:
Related party	(10)	(35)
Other	(26)	(90)
Loss before income tax	(1,085)	(1,025)
Income tax expense	(1)	(2)
Net loss	$ (1,086)	$ (1,027)
Basic and diluted loss per common share	$ (0.19)	$ (0.18)
Weighted average common shares outstanding, basic and diluted	5,760	5,760