Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

v3.20.2
Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares
Jun. 30, 2020
Dec. 31, 2019
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, shares authorized 40,000,000 40,000,000
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 500,000,000 500,000,000
Common stock, shares issued 29,683,637 26,322,583
Common stock, shares outstanding 29,683,637 26,322,583
Series B Convertible Preferred Stock [Member]    
Temporary equity, shares authorized 10,000 10,000
Temporary equity, shares issued 0 0
Temporary equity, shares outstanding 0 0
Series A Convertible Preferred Stock [Member]    
Preferred stock, shares authorized 20,000,000 20,000,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Series C Convertible Preferred Stock [Member]    
Preferred stock, shares authorized 250,000 250,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Series D Convertible Preferred Stock [Member]    
Preferred stock, shares authorized 13,000 13,000
Preferred stock, shares issued 0 5,125
Preferred stock, shares outstanding 0 5,125