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Other Expenses, Net (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Other Expenses, Net [Abstract]        
Interest expense $ 53,168 $ 41,452 $ 136,563 $ 123,292
Interest income (2,983) (16,980) (15,358) (43,725)
Other gains (947) 2,038 (5,328) 1,628
Other expenses, net $ 49,238 $ 26,510 $ 115,877 $ 81,195