Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

v3.21.2
Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares
Jun. 30, 2021
Dec. 31, 2020
Preferred stock, shares authorized 20,000,000 20,000,000
Common stock, par value $ 0.0001 $ 0.0001
Common stock, shares authorized 100,000,000 100,000,000
Common stock, shares outstanding 36,304,362 27,088,584
Common stock, shares issued 36,304,362 27,088,584
Convertible Preferred Stock Series H [Member]    
Preferred stock, shares authorized 8,500 8,500
Preferred stock, par value $ 0.0001 $ 0.0001
Preferred stock, shares issued 8 8
Preferred stock, shares outstanding 8 8
Convertible Preferred Stock Series H-3 [Member]    
Preferred stock, shares authorized 8,461 8,461
Preferred stock, par value $ 0.0001 $ 0.0001
Preferred stock, shares issued 1,234 1,234
Preferred stock, shares outstanding 1,234 1,234
Convertible Preferred Stock Series H-6 [Member]    
Preferred stock, shares authorized 50,000 50,000
Preferred stock, par value $ 0.0001 $ 0.0001
Preferred stock, shares issued 50 50
Preferred stock, shares outstanding 50 50