Consolidated Statements of Comprehensive Income (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Consolidated Statements Of Comprehensive Income
Net income	$ 4,002,905	$ 3,549,231
Other comprehensive income (loss) -
Foreign currency translation	(138,993)	194,235
Change in net prior service credit and actuarial losses, net of income tax expense	241,365	57,191
Total other comprehensive income (loss)	102,372	251,426
Comprehensive income	$ 4,105,277	$ 3,800,657