Major Customer and Geographic Information (Schedule of Revenue by Geographic Region) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 3,341,700	$ 1,566,900
North America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	2,280,000	713,200
South America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	1,500	1,500
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	200	300
Asia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	1,020,000	822,300
Australia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 40,000	$ 29,600