Comprehensive Income - Accumulated Other Comprehensive (Loss) Income (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Accumulated other comprehensive income, beginning balance	$ (1,647,098)	$ (684,521)
Change in net prior service credit and actuarial losses, net of tax	(52,825)	(104,459)
Translation adjustment	(830,867)	(858,118)
Accumulated other comprehensive income, ending balance	(2,530,790)	(1,647,098)
Foreign Currency Translation Adjustment
Accumulated other comprehensive income, beginning balance	(751,765)	106,353
Translation adjustment	(830,867)	(858,118)
Accumulated other comprehensive income, ending balance	(1,582,632)	(751,765)
Net Prior Service Credit and Actuarial Losses
Accumulated other comprehensive income, beginning balance	(895,332)	(790,873)
Change in net prior service credit and actuarial losses, net of tax	(52,825)	(104,459)
Accumulated other comprehensive income, ending balance	$ (948,157)	$ (895,332)