v3.19.2
Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - $ / shares
Jun. 30, 2019
Dec. 31, 2018
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 900,000,000 900,000,000
Common stock, shares issued 722,836,769 714,945,811
Common stock, shares outstanding 722,836,769 714,945,811
Series RX-1    
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, shares authorized 1,500,000 1,500,000
Preferred stock, shares issued 1,418,615 0
Preferred stock, shares outstanding 1,418,615 0
Series RX-2    
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, shares authorized 1,000,000 1,000,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Series RX-3    
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, shares authorized 500,000 500,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0