Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenues
Revenue from Contract with Customer, Including Assessed Tax	$ 1,500,000	$ 712,000	$ 3,786,000	$ 1,743,000
Cost of revenue
Cost of Goods and Services Sold	(748,000)	(362,000)	(1,894,000)	(963,000)
Gross profit	752,000	350,000	1,892,000	780,000
Operating expenses
Selling, general and administrative expenses	1,424,000	1,461,000	4,847,000	4,766,000
Research and development	271,000	344,000	1,018,000	1,027,000
Total operating expenses	1,695,000	1,805,000	5,865,000	5,793,000
Operating loss	(943,000)	(1,455,000)	(3,973,000)	(5,013,000)
Other (expense) income:
Interest expense	(14,000)	(26,000)	(42,000)	(208,000)
PPP loan forgiveness	0	0	174,000	43,000
Tax credit	66,000	21,000	66,000	50,000
Grant income	44,000	25,000	51,000	25,000
Total other (expense) income:	96,000	18,000	249,000	(90,000)
Net loss	(847,000)	(1,435,000)	(3,724,000)	(5,103,000)
Net loss attributable to noncontrolling interest	(343,000)	(134,000)	(340,000)	(549,000)
Net loss attributable to common shareholders	$ (504,000)	$ (1,301,000)	$ (3,384,000)	$ (4,554,000)
Net loss per share attributable to common shareholders:
Loss per share attributable to shareholders – basic and diluted (in dollars per share)	$ (0.00)	$ (0.01)	$ (0.01)	$ (0.02)
Weighted average number of common shares outstanding: (in shares)	270,665,820	252,912,561	265,812,188	243,529,117
Comprehensive loss:
Net loss	$ (847,000)	$ (1,435,000)	$ (3,724,000)	$ (5,103,000)
Foreign currency translation	(59,000)	(7,000)	(70,000)	(9,000)
Comprehensive loss	(850,000)	(1,442,000)	(3,794,000)	(5,112,000)
Comprehensive loss attributable to noncontrolling interest	(343,000)	(134,000)	(340,000)	(549,000)
Comprehensive loss attributable to common stockholders	(507,000)	(1,308,000)	(3,454,000)	(4,563,000)
Product [Member]
Revenues
Revenue from Contract with Customer, Including Assessed Tax	1,216,000	431,000	2,532,000	1,190,000
Cost of revenue
Cost of Goods and Services Sold	(515,000)	(204,000)	(1,174,000)	(600,000)
Service [Member]
Revenues
Revenue from Contract with Customer, Including Assessed Tax	284,000	281,000	1,254,000	553,000
Cost of revenue
Cost of Goods and Services Sold	$ (233,000)	$ (158,000)	$ (720,000)	$ (363,000)