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Variable Interest Entity (Details 1) - USD ($)
1 Months Ended 12 Months Ended
Dec. 31, 2015
Dec. 31, 2017
Dec. 31, 2016
Summarized operating results of the VIEs'      
Operating revenues $ 6,953,757 $ 3,705,770
Income (loss) from operations (141,693) (871,143) 216,854
Net income (loss) $ (106,269) $ (508,491) $ 164,811