Consolidated Statements of Comprehensive Income - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Consolidated Statements of Comprehensive Income
Net income	$ 3,695,099	$ 2,225,413	$ 7,082,168	$ 5,268,441
Foreign currency translation adjustment	86,457	(11,530)	168,556	(18,752)
Total comprehensive income	$ 3,781,556	$ 2,213,883	$ 7,250,724	$ 5,249,689