v3.19.1
Intangible Assets (Details Textual) - USD ($)
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Intangible Assets (Textual)    
Amortization expense $ 12,120 $ 11,879
Patents [Member]    
Intangible Assets (Textual)    
Intangible assets estimated useful lives 11 years