Consolidated Statements of Comprehensive Income (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Consolidated Statements of Comprehensive Income [Abstract]
Net income (loss)	$ (614,578)	$ 37,091	$ 68,369
Other comprehensive income (loss):
Foreign currency translation adjustment	(6,130)	(18,028)	11,925
Adjustment to minimum pension liability, net of tax effect of $ 91,544 in 2012, $158,869 in 2011, and $79,354 in 2010	(187,078)	(610,220)	(119,033)
Other comprehensive loss	(193,208)	(628,248)	(107,108)
Total comprehensive loss	$ (807,786)	$ (591,157)	$ (38,739)