Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details 1)

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Stockholders' Equity (Details 1) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Stock based compensation $ 150,162 $ 907,914 $ 638,119 $ 1,647,802
Research and Development        
Stock based compensation 3,758 5,005 7,475 6,710
Selling, General and Administrative        
Stock based compensation $ 146,404 $ 902,909 $ 630,644 $ 1,641,092