Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED BALANCE SHEETS (Parenthetical)

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CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
Dec. 31, 2021
Dec. 31, 2020
Common stock, par value (in dollars per share) $ 0.00001 $ 0.00001
Common stock, shares authorized 160,000,000 80,000,000
Common stock, shares issued 61,101,263 45,442,729
Common stock, shares outstanding 61,101,263 45,442,729
Series C Preferred Stock    
Preferred stock, par value (in dollars per share) $ 0.00001 $ 0.00001
Preferred stock, shares authorized 7,000 7,000
Preferred stock, issued 0 215
Preferred stock, outstanding 0 215
Series D Preferred stock    
Preferred stock, issued 111 1,519
Preferred stock, outstanding 111 1,519