Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (DEFICIT)

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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (DEFICIT) - USD ($)
Series B Preferred Stock
Common Stock
Additional Paid-In Capital
Accumulated Deficit
Treasury Stock
Total
Balance at Dec. 31, 2018 $ 2,830,000 $ 1,505 $ 27,416,802 $ (30,269,833) $ (149,459) $ (170,985)
Balance, shares at Dec. 31, 2018 2,830 1,505,883        
Common stock issued for warrants exercised $ 302 2,317,718 2,318,020
Common stock issued for warrants exercised, shares 301,042        
Common stock issued for cash less warrants exercised $ 10 (10)
Common stock issued for cash less warrants exercised, shares 9,878        
Stock options granted to employees 44,874 44,874
Stock repurchase (7,993) (7,993)
Stock issuance costs (20,000) (20,000)
Series B convertible preferred converted to common stock $ (1,125,000) $ 161 1,124,839
Series B convertible preferred converted to common stock, Shares (1,125) 160,713        
Common stock issued for services $ 4 32,913 32,917
Common stock issued for services, shares 4,523        
Debt discount from warrants issued with promissory note 146,779 146,779
Net loss (2,470,882) (2,470,882)
Balance at Dec. 31, 2019 $ 1,705,000 $ 1,982 31,063,915 (32,740,715) (157,452) (127,270)
Balance, shares at Dec. 31, 2019 1,705 1,982,039        
Common stock issued for cash and warrants $ 1,542 9,251,586 9,253,128
Common stock issued for cash and warrants, shares 1,542,188        
Modification of employee stock options 102,800 102,800
Stock options granted to employees 351,970 351,970
Stock issuance costs (1,001,885) (1,001,885)
Common stock issued for services $ 12 52,488 52,500
Common stock issued for services, shares 11,112        
Net loss (6,747,435) (6,747,435)
Balance at Dec. 31, 2020 $ 1,705,000 $ 3,536 $ 39,820,874 $ (39,488,150) $ (157,452) $ 1,883,808
Balance, shares at Dec. 31, 2020 1,705 3,535,339