Quarterly report [Sections 13 or 15(d)]

CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Unaudited)

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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Unaudited) - USD ($)
Preferred Stock B [Member]
Preferred Stock C [Member]
Preferred Stock D [Member]
Preferred Stock E [Member]
Preferred Stock F [Member]
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Treasury Stock, Common [Member]
Total
Beginning balance, value at Dec. 31, 2023 $ 1 $ 12 $ 7,306 $ 69,120,199 $ (63,603,552) $ (157,452) $ 5,366,514
Beginning balance, shares at Dec. 31, 2023 1,299 11,500 7,306,663        
Series D convertible preferred stock issued $ 1 619,999 620,000
Series D preferred stock issued, shares     620              
Series E convertible preferred stock issued $ 2 2,125,000 2,125,002
Series E preferred stock issued, shares       2,125            
Stock options compensation 141,204 141,204
Stock issuance cost (36,188) (36,188)
Stock issued for services $ 9 37,491 37,500
Stock issued for services, shares           8,655        
Stock compensation under ESPP 18,116 18,116
Net loss (2,752,309) (2,752,309)
Ending balance, value at Mar. 31, 2024 $ 2 $ 14 $ 7,315 72,025,821 (66,355,861) (157,452) 5,519,839
Ending balance, shares at Mar. 31, 2024 1,919 13,625 7,315,318        
Beginning balance, value at Dec. 31, 2024 $ 1 $ 14 $ 8,921 76,777,856 (74,368,009) (157,452) 2,261,331
Beginning balance, shares at Dec. 31, 2024 1,299 13,500 8,922,576        
Series D convertible preferred stock converted to common stock $ 100 (100)
Series D preferred stock converted to common stock, shares     (300)     100,000        
Common stock issued for cash under ATM $ 634 3,954,306 3,954,940
Common stock issued for cash under ATM, shares           633,683        
Stock options compensation 22,030 22,030
Restricted stock compensation $ 1,962 950,011 951,973
Restricted stock compensation, shares           1,961,898        
Stock issuance cost (138,226) (138,226)
Stock options exercised $ 28 107,897 107,925
Stock options exercised, shares           27,712        
Stock issued for services $ 9 49,991 50,000
Stock issued for services, shares           9,360        
Stock compensation under ESPP 21,644 21,644
Net loss (2,079,663) (2,079,663)
Ending balance, value at Mar. 31, 2025 $ 1 $ 14 $ 11,654 $ 81,745,409 $ (76,447,672) $ (157,452) $ 5,151,954
Ending balance, shares at Mar. 31, 2025 999 13,500 11,655,229