Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

v3.19.2
Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares
Jun. 30, 2019
Dec. 31, 2018
Statement of Financial Position [Abstract]    
Series A convertible preferred stock, par value $ 0.001 $ 0.001
Series A convertible preferred stock, shares authorized 50,000,000 50,000,000
Series A convertible preferred stock, shares issued
Series A convertible preferred stock, shares outstanding
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 500,000,000 500,000,000
Common stock, shares issued 215,591,103 211,013,043
Common stock, shares outstanding 215,591,103 211,013,043
Common stock, shares subscribed but unissued 752,260 97,136