Consolidated Statements of Comprehensive Income - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Consolidated Statements of Comprehensive Income
Net income	$ 1,282,723	$ 1,875,328	$ 3,043,028	$ 3,586,954
Foreign currency translation adjustment	(80,052)	60,612	(7,222)	(196,819)
Total comprehensive income	$ 1,202,671	$ 1,935,940	$ 3,035,806	$ 3,390,135