Major Customer and Geographic Information (Schedule of Revenue by Geographic Region) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 514,300	$ 513,900	$ 853,700	$ 1,125,300
North America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	160,900	141,200	284,800	310,900
South America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues		2,600	1,600	4,100
Asia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	330,000	362,100	527,900	775,600
AUSTRALIA
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 23,400	$ 8,000	$ 39,400	$ 34,700