Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenues
Revenue	$ 1,323,000	$ 464,000	$ 2,287,000	$ 1,035,000
Cost of revenue
Gross profit	623,000	201,000	1,141,000	433,000
Selling, general and administrative expenses	1,589,000	1,547,000	3,425,000	3,310,000
Research and development	355,000	356,000	747,000	683,000
Operating loss	(1,321,000)	(1,702,000)	(3,031,000)	(3,560,000)
Other (expense) income:
Interest expense	(15,000)	(89,000)	(28,000)	(182,000)
PPP loan forgiveness	0	0	174,000	43,000
Tax credit	0	1,000	0	1,000
Grant income	3,000	0	8,000	30,000
Total other (expense) income:	(12,000)	(88,000)	154,000	(108,000)
Net loss	(1,333,000)	(1,790,000)	(2,877,000)	(3,668,000)
Net (loss) income attributable to noncontrolling interest	(105,000)	(168,000)	3,000	(415,000)
Net loss attributable to common shareholders	$ (1,228,000)	$ (1,622,000)	$ (2,880,000)	$ (3,253,000)
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)	265,856,970	243,731,011	263,345,148	238,759,632
Comprehensive loss:
Net loss	$ (1,333,000)	$ (1,790,000)	$ (2,877,000)	$ (3,668,000)
Foreign currency translation	(3,000)	0	(11,000)	(2,000)
Comprehensive loss	(1,336,000)	(1,790,000)	(2,888,000)	(3,670,000)
Comprehensive loss attributable to noncontrolling interest	(105,000)	(168,000)	3,000	(415,000)
Comprehensive loss attributable to common stockholders	(1,231,000)	(1,622,000)	(2,891,000)	(3,255,000)
Product [Member]
Revenues
Revenue	707,000	319,000	1,317,000	762,000
Cost of revenue
Cost of Goods and Services Sold	(364,000)	(160,000)	(659,000)	(397,000)
Service [Member]
Revenues
Revenue	616,000	145,000	970,000	273,000
Cost of revenue
Cost of Goods and Services Sold	$ (336,000)	$ (103,000)	$ (487,000)	$ (205,000)