Property, Plant and Equipment (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012
Property, Plant and Equipment [Line Items]
Plant, Property and Equipment- gross	$ 33,976,954	$ 34,103,088
Less accumulated depreciation	(28,170,230)	(27,394,851)
Property, plant and equipment, net	5,806,724	6,708,237
Land [Member]
Property, Plant and Equipment [Line Items]
Plant, Property and Equipment- gross	90,000	90,000
Building [Member]
Property, Plant and Equipment [Line Items]
Plant, Property and Equipment- gross	15,332,232	15,332,232
Building improvements [Member]
Property, Plant and Equipment [Line Items]
Plant, Property and Equipment- gross	4,939,283	4,939,283
Software, machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Plant, Property and Equipment- gross	$ 13,615,439	$ 13,741,573