Major Customer and Geographic Information (Details - Revenue by Geographic Region) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 2,083,900	$ 4,627,200
North America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	591,900	3,331,600
South America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	600	1,600
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0	200
Asia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	1,439,500	968,000
AUSTRALIA
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 51,900	$ 325,800