Condensed Consolidated Statements of Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenue:
Revenue	$ 778	$ 2,471	$ 2,452	$ 3,999
Cost of revenue:
Gross profit	622	1,633	2,042	2,890
Operating expense:
General and administrative	1,228	953	4,147	2,875
Sales and marketing	747	615	2,217	2,239
Research and development	1,073	1,117	3,456	4,503
Depreciation and amortization	11	18	43	54
Operating Expenses, Total	3,059	2,703	9,863	9,671
Loss from operations	(2,437)	(1,070)	(7,821)	(6,781)
Interest expense (income), net	0	56	0	131
Other (income) expense, net	(5)	3	(5)	4
(Gain) on change in fair value of derivative liabilities	(1,342)	(535)	(16,558)	(369)
(Gain) on extinguishment of derivative liabilities and debt	(1,616)	0	(1,270)	0
Other components of net periodic pension expense	36	31	141	106
Income (loss) before income taxes	490	(625)	9,871	(6,653)
Income tax expense (income)	0	1	0	(1)
Net income (loss)	490	(626)	9,871	(6,652)
Preferred dividends, preferred stock discount accretion and deemed dividends from preferred stock exchange	(1,935)	(2,529)	(6,260)	(5,275)
Net income (loss) available to common shareholders	$ (1,445)	$ (3,155)	$ 3,611	$ (11,927)
Basic income (loss) per common share – see Note 3:
Basic income (loss) per share available to common shareholders (in dollars per share)	$ (0.00)	$ (0.02)	$ 0.01	$ (0.09)
Basic weighted-average shares outstanding (in shares)	340,384,468	133,341,134	326,458,778	125,558,524
Diluted income (loss) per common share – see Note 3:
Diluted income (loss) per share available to common shareholders (in dollars per share)	$ (0.00)	$ (0.02)	$ 0.01	$ (0.09)
Diluted weighted-average shares outstanding (in shares)	340,384,468	133,341,134	412,320,909	125,558,524
Product [Member]
Revenue:
Revenue	$ 145	$ 1,858	$ 475	$ 2,129
Cost of revenue:
Cost of revenue	69	715	134	781
Maintenance [Member]
Revenue:
Revenue	633	613	1,977	1,870
Cost of revenue:
Cost of revenue	$ 87	$ 123	$ 276	$ 328