Major Customer and Geographic Information (Schedule of Revenue by Geographic Region) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 1,566,900	$ 1,383,500
North America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	713,200	608,000
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	300
Asia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	822,300	745,900
Australia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 29,600	$ 29,600