Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details 2)

v3.19.2
Summary of Significant Accounting Policies (Details 2) - shares
6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Total common stock equivalents excluded from diluted net loss per share 22,965,424 19,018,656
Warrants [Member]    
Total common stock equivalents excluded from diluted net loss per share 4,102,098 7,237,763
Stock Options [Member]    
Total common stock equivalents excluded from diluted net loss per share 12,563,326 8,680,893
Convertible Debt [Member]    
Total common stock equivalents excluded from diluted net loss per share 6,300,000 3,100,000