XML 52 R36.htm IDEA: XBRL DOCUMENT v3.19.1
Intangible Assets (Details Textual) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Intangible Assets (Textual)    
Amortization expense relating to intangible assets $ 115,143 $ 165,394