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Other Expenses, Net (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Other Expenses, Net [Abstract]        
Interest expense $ 109,651 $ 53,168 $ 311,934 $ 136,563
Interest income (3,237) (2,983) (10,270) (15,358)
Other gains (947) (5,328)
Other expenses, net $ 106,414 $ 49,238 $ 301,664 $ 115,877