v3.19.2
Intangible Assets (Details Textual) - USD ($)
6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Intangible Assets (Textual)    
Amortization expense $ 24,239 $ 23,757
Intangible assets estimated useful lives 11 years  
Patents [Member]    
Intangible Assets (Textual)    
Intangible assets estimated useful lives 11 years