Major Customer and Geographic Information (Details - Revenue by Geographic Region) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 592,100	$ 339,400
North America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	127,800	123,900
South America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0	1,600
Asia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	441,500	197,900
AUSTRALIA
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 22,800	$ 16,000