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Intangible Assets (Details Textual) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Intangible Assets (Textual)        
Amortization expense related to intangible assets $ 63,479 $ 17,570 $ 126,959 $ 35,140