Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Revenue from Contract with Customer, Including Assessed Tax	$ 3,742,000	$ 965,000
Cost of revenue
Cost of Goods and Services Sold	(1,932,000)	(444,000)
Gross profit	1,810,000	521,000
Operating expenses:
Selling, general and administrative expenses	1,722,000	1,839,000
Research and development	565,000	392,000
Total operating expenses	2,287,000	2,231,000
Operating loss	(477,000)	(1,710,000)
Other income (expense):
PPP forgiveness	0	174,000
Grant income	31,000	5,000
Interest expense	(48,000)	(13,000)
Total other (expense) income	(17,000)	166,000
Net loss	(494,000)	(1,544,000)
Net (loss) income attributable to noncontrolling interest	(247,000)	108,000
Net loss attributable to common stockholders	$ (247,000)	$ (1,652,000)
Net loss per share attributable to common stockholders:
Loss per share attributable to stockholders – basic and diluted (in dollars per share)	$ (0.0009)	$ (0.0063)
Weighted average number of common shares outstanding: (in shares)	280,711,278	260,805,418
Comprehensive loss attributable to common stockholders
Net loss	$ (494,000)	$ (1,544,000)
Foreign currency translation adjustment	(6,000)	(8,000)
Comprehensive loss	(500,000)	(1,552,000)
Comprehensive (loss) income attributable to noncontrolling interest	(247,000)	108,000
Comprehensive loss attributable to stockholders	(253,000)	(1,660,000)
Product [Member]
Revenue from Contract with Customer, Including Assessed Tax	3,548,000	610,000
Cost of revenue
Cost of Goods and Services Sold	(1,797,000)	(293,000)
Service [Member]
Revenue from Contract with Customer, Including Assessed Tax	194,000	355,000
Cost of revenue
Cost of Goods and Services Sold	$ (135,000)	$ (151,000)