Property, Plant and Equipment (Details) - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Schedule of Property, Plant and Equipment
Property, Plant and Equipment, gross	$ 5,589,000	$ 6,006,800
Less accumulated depreciation	(5,159,000)	(5,606,000)
Property, Plant and Equipment, Total	430,000	400,800
Production Equipment
Schedule of Property, Plant and Equipment
Property, Plant and Equipment, gross	4,726,200	5,039,900
Office Furniture and Equipment
Schedule of Property, Plant and Equipment
Property, Plant and Equipment, gross	674,600	778,700
Other
Schedule of Property, Plant and Equipment
Property, Plant and Equipment, gross	$ 188,200	$ 188,200