Consolidated Statements of Comprehensive Income - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Consolidated Statements of Comprehensive Income
Net income	$ 1,969,529	$ 1,282,723	$ 3,387,069	$ 3,043,028
Foreign currency translation adjustment	51,287	(80,052)	82,099	(7,222)
Total comprehensive income	$ 2,020,816	$ 1,202,671	$ 3,469,168	$ 3,035,806