Income Tax (Details 2) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Summary of Components of income tax expense
Current	$ 1,245,118	$ 4,281,918	$ 2,184,402	$ 5,216,018
Deferred	133,709	(2,402,166)	2,861	(2,409,053)
Income tax expense	$ 1,378,827	$ 1,879,752	$ 2,203,964	$ 2,758,674