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Intangible Assets (Details Textual) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Intangible Assets (Textual)        
Amortization expense relating to intangible assets $ 42,528 $ 67,025 $ 93,308 $ 133,966
Impairment loss was recognized