Major Customer and Geographic Information (Revenue by Geographic Region) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 2,537,400	$ 3,341,700
North America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	856,300	2,280,000
South America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues		1,500
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	600	200
Asia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	1,630,500	1,020,000
Australia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 50,000	$ 40,000