XML 49 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 $ 195,775
Amortization expense 2019 336,000  
Amortization expense 2020 336,000  
Amortization expense 2021 $ 140,000