Restructuring (Details Textual) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2009	Dec. 31, 2010
Restructuring (Textual) [Abstract]
Restructuring reserve	$ 128,900	$ 123,000		$ 144,000
Restructuring charge	283,924
Restructuring (Additional Textual) [Abstract]
Severance and payroll charges			264,000
Expected savings on restructuring and relocation	240,000
Accrued restructuring expenses	39,900
Inventory [Member]
Restructuring (Textual) [Abstract]
Restructuring reserve	89,000
Restructuring charge	89,000
Facility Relocation One [Member]
Restructuring (Textual) [Abstract]
Restructuring reserve	$ 27,900