Condensed Consolidated Statements of Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenue:
Revenue	$ 845	$ 733
Cost of revenue:
Gross profit	713	614
Operating expense:
General and administrative	1,176	1,347
Sales and marketing	626	724
Research and development	868	1,168
Depreciation and amortization	6	18
Operating Expenses, Total	2,676	3,257
Loss from operations	(1,963)	(2,643)
Interest expense, net	53	0
(Gain) loss on change in fair value of derivative liabilities	667	(1,172)
Loss on extinguishment of derivative liabilities	0	335
Other (income) expense, net	(5)	25
Other components of net periodic pension expense	20	54
Loss before income taxes	(2,698)	(1,885)
Income tax expense (income)	0	0
Net loss	(2,698)	(1,885)
Preferred dividends, preferred stock discount accretion and deemed dividends from preferred stock exchange	(1,797)	(2,255)
Net loss available to common shareholders	$ (4,495)	$ (4,140)
Basic and diluted loss per common share – see Note 3:
Basic and diluted loss per share available to common shareholders (in dollars per share)	$ (0.01)	$ (0.02)
Basic and diluted weighted-average shares outstanding (in shares)	347,257,550	245,829,914
Product [Member]
Revenue:
Revenue	$ 210	$ 56
Cost of revenue:
Cost of revenue	32	9
Maintenance [Member]
Revenue:
Revenue	635	677
Cost of revenue:
Cost of revenue	$ 100	$ 110