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Income Tax (Details 1) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Schedule of provision for income tax expenses        
Income tax expense - current $ 325,428 $ 549,409 $ 664,651 $ 905,908
Income tax expense (benefit) - deferred 40,235 (1,732,948) 117,315 (1,878,676)
Total income tax expense (benefit) $ 365,663 $ (1,183,539) $ 781,966 $ (972,768)