Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS EQUITY

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CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS EQUITY - USD ($)
Total
Common Stock
Additional Paid-In Capital
Accumulated Deficit
Series A, Preferred Stock
Series B, Preferred Stock
Balance, shares at Dec. 31, 2020   6,567,110     699,878 2,666,667
Balance, amount at Dec. 31, 2020 $ 17,207,557 $ 6,567 $ 146,353,232 $ (129,155,608) $ 699 $ 2,667
Exchanges of Series A & B Preferred Stock to Common Stock, shares   789,382     (699,878) (2,666,667)
Exchanges of Series A & B Preferred Stock to Common Stock, amount 0 $ 790 2,576 0 $ (699) $ (2,667)
Shares issued, net of share settlement for withholding taxes paid upon vesting of restricted stock units, shares   130,281        
Shares issued, net of share settlement for withholding taxes paid upon vesting of restricted stock units, amount (824,153) $ 130 (824,283) 0 0 0
Common stock issued pursuant to restricted stock awards, shares   188,588        
Common stock issued pursuant to restricted stock awards, amount 0 $ 188 (188) 0 0 0
Common stock issued - registered ATM offerings - net of offering costs, shares   2,008,822        
Common stock issued - registered ATM offerings - net of offering costs, amount 14,821,354 $ 2,010 14,819,344 0 0 0
Common stock issued through the exercise of options, shares   30,282        
Common stock issued through the exercise of options, amount 270,857 $ 30 270,827 0 0 0
Common stock issued to directors and consultants for services, shares   44,758        
Common stock issued to directors and consultants for services, amount 324,684 $ 44 324,640 0 0 0
Stock-based compensation 826,493 0 826,493 0 0 0
Net loss (7,835,665) 0 0 (7,835,665) 0 0
Balance, amount at Dec. 31, 2021 24,791,127 $ 9,759 161,772,641 (136,991,273) $ 0 $ 0
Balance, shares at Dec. 31, 2021   9,759,223        
Shares issued, net of share settlement for withholding taxes paid upon vesting of restricted stock units, shares   268,796        
Shares issued, net of share settlement for withholding taxes paid upon vesting of restricted stock units, amount (104,604) $ 269 (104,873) 0    
Common stock issued to directors and consultants for services, shares   17,113        
Common stock issued to directors and consultants for services, amount 60,000 $ 17 59,983 0    
Stock-based compensation 842,704 0 842,704 0    
Net loss (7,497,857) $ 0 0 (7,497,857)    
Shares issued - registered offerings - net of offering costs, shares   1,855,085        
Shares issued - registered offerings - net of offering costs, amount 11,026,785 $ 1,855 11,024,930 0    
Balance, amount at Dec. 31, 2022 $ 29,118,155 $ 11,900 $ 173,595,385 $ (144,489,130)    
Balance, shares at Dec. 31, 2022   11,900,217