Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenue from Contract with Customer, Including Assessed Tax	$ 2,672,000	$ 1,500,000	$ 7,860,000	$ 3,786,000
Cost of revenue
Gross profit	1,435,000	752,000	4,066,000	1,892,000
Selling, general and administrative expenses	2,278,000	1,424,000	5,794,000	4,847,000
Research and development	694,000	271,000	1,846,000	1,018,000
Operating loss	(1,537,000)	(943,000)	(3,574,000)	(3,973,000)
Other (expense) income:
Interest expense	(12,000)	(14,000)	(72,000)	(42,000)
PPP loan forgiveness	0	0	0	174,000
Tax credit (reversal)	41,000	66,000	(14,000)	66,000
Grant income	0	44,000	32,000	51,000
Total other expense:	29,000	96,000	(54,000)	249,000
Net loss	(1,508,000)	(847,000)	(3,628,000)	(3,724,000)
Net loss attributable to noncontrolling interest	(308,000)	(343,000)	(853,000)	(340,000)
Net loss attributable to common shareholders	$ (1,200,000)	$ (504,000)	$ (2,775,000)	$ (3,384,000)
Net loss per share attributable to common shareholders:
Loss per share attributable to shareholders – basic and diluted (in dollars per share)	$ (0.01)	$ (0)	$ (0.01)	$ (0.01)
Weighted average number of common shares outstanding: (in shares)	287,943,346	270,665,820	284,559,487	265,812,188
Comprehensive loss:
Net loss	$ (1,508,000)	$ (847,000)	$ (3,628,000)	$ (3,724,000)
Foreign currency translation	1,000	(59,000)	(12,000)	(70,000)
Comprehensive loss	(1,507,000)	(906,000)	(3,640,000)	(3,794,000)
Comprehensive loss attributable to noncontrolling interest	(308,000)	(343,000)	(853,000)	(340,000)
Comprehensive loss attributable to common stockholders	(1,199,000)	(563,000)	(2,787,000)	(3,454,000)
Product [Member]
Revenue from Contract with Customer, Including Assessed Tax	2,529,000	1,216,000	7,392,000	2,532,000
Cost of revenue
Cost of Goods and Services Sold	(1,170,000)	(515,000)	(3,533,000)	(1,174,000)
Service [Member]
Revenue from Contract with Customer, Including Assessed Tax	143,000	284,000	468,000	1,254,000
Cost of revenue
Cost of Goods and Services Sold	$ (67,000)	$ (233,000)	$ (261,000)	$ (720,000)