Comprehensive Income - Accumulated Comprehensive Income (Loss) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Accumulated other comprehensive income, beginning balance	$ (786,893)	$ 1,038,319
Change in net prior service credit and actuarial losses, net of tax	241,365	57,191
Translation adjustment	(138,993)	194,235
Accumulated other comprehensive income, ending balance	(684,521)	(786,893)
Foreign Currency Translation Adjustment
Accumulated other comprehensive income, beginning balance	245,346	51,111
Translation adjustment	(138,993)	194,235
Accumulated other comprehensive income, ending balance	106,353	245,346
Net Prior Service Credit and Actuarial Losses
Accumulated other comprehensive income, beginning balance	(1,032,238)	(1,089,429)
Change in net prior service credit and actuarial losses, net of tax	241,365	57,191
Accumulated other comprehensive income, ending balance	$ (790,873)	$ (1,032,238)