Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS EQUITY

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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS EQUITY - USD ($)
Total
Common Stock
Additional Paid-In Capital
Accumulated Deficit
Balance, shares at Dec. 31, 2018   46,353,068    
Balance, amount at Dec. 31, 2018 $ 19,770,438 $ 4,635 $ 236,203,041 $ (216,437,238)
Stock-based compensation 2,650,777 0 2,650,777 0
Warrants issued in connection with note payable 3,579,115 $ 0 3,579,115 0
Issuance of common stock, net of offering expenses, shares   12,937,500    
Issuance of common stock, net of offering expenses, amount $ 48,397,088 $ 1,294 48,395,794 0
Stock options exercised, shares 27,787 27,787    
Stock options exercised, amount $ 75,048 $ 3 75,045 0
Net loss (48,279,317) $ 0 0 (48,279,317)
Balance, shares at Dec. 31, 2019   59,318,355    
Balance, amount at Dec. 31, 2019 26,193,149 $ 5,932 290,903,772 (264,716,555)
Stock-based compensation 2,855,122 0 2,855,122 0
Warrants issued in connection with note payable 3,740,980 $ 0 3,740,980 0
Issuance of common stock, net of offering expenses, shares   45,562,907    
Issuance of common stock, net of offering expenses, amount $ 131,195,291 $ 4,555 131,190,736 0
Stock options exercised, shares 6,626 6,626    
Stock options exercised, amount $ 13,432 $ 1 13,431 0
Net loss (75,748,548) $ 0 0 (75,748,548)
Vesting of Restricted Stock Units, shares   15,000    
Vesting of Restricted Stock Units, amount 0 $ 2 (2) 0
Balance, shares at Dec. 31, 2020   104,902,888    
Balance, amount at Dec. 31, 2020 $ 88,249,426 $ 10,490 $ 428,704,039 $ (340,465,103)