Quarterly report pursuant to Section 13 or 15(d)

Liquidity and Management's Plans (Details)

v3.19.2
Liquidity and Management's Plans (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2019
Mar. 31, 2019
Jun. 30, 2018
Mar. 31, 2018
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
Dec. 31, 2017
Liquidity and Management's Plans (Textual)                
Working capital $ 16,339,613       $ 16,339,613      
Stockholders' equity 13,742,887 $ 16,014,794 $ 24,041,984 $ 6,457,283 13,742,887 $ 24,041,984 $ 17,962,618 $ 7,618,913
Net loss $ (3,058,042) $ (2,920,584) $ (3,316,113) $ (3,586,585) (5,978,626) (6,902,698)    
Operating activities         $ (5,676,314) $ (4,561,597)