Major Customer and Geographic Information (Schedule of Revenue by Geographic Region) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 339,400	$ 611,400
North America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	123,900	169,700
South America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	1,600	1,500
Asia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	197,900	413,500
AUSTRALIA
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 16,000	$ 26,700