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 D [Member]
Preferred Stock E [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 preferred stock issued $ 1 619,999 620,000
Series D preferred stock issued, shares 620            
Series E 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 costs (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        
Series D preferred stock issued 250,000 250,000
Series D preferred stock issued, shares 250            
Stock options compensation 59,905 59,905
Stock issuance costs (40,000) (40,000)
Stock issued for services $ 15 42,485 42,500
Stock issued for services, shares     15,041        
Stock issued under the Employee Stock Purchase Plan for cash and compensation $ 38 109,780 109,818
Stock issued under the Employee Stock Purchase Plan for cash and compensation, shares     38,041        
Series D preferred stock converted to common stock $ (1) $ 217 (216)
Series D preferred stock converted to common stock, shares (650)   216,668        
Common stock issued for cash $ 38 115,525 115,563
Common stock issued for cash, shares     38,530        
Net loss (3,204,171) (3,204,171)
Ending balance, value at Jun. 30, 2024 $ 1 $ 14 $ 7,623 72,563,300 (69,560,032) (157,452) 2,853,454
Ending balance, shares at Jun. 30, 2024 1,519 13,625 7,623,598        
Stock options compensation 25,466 25,466
Stock issuance costs (2,500) (2,500)
Common stock issued upon cash exercise of warrants $ 344 899,177 899,521
Common stock issued upon cash exercise of warrants, shares     344,644        
Stock issued for services $ 14 42,486 42,500
Stock issued for services, shares     14,433        
Series D preferred stock converted to common stock $ 40 (40)
Series D preferred stock converted to common stock, shares (120)   40,000        
Common stock issued for cash under ATM $ 28 81,420 81,448
Common stock issued for cash under ATM, shares     28,514        
Stock compensation under ESPP 14,244 14,244
Net loss (1,401,663) (1,401,663)
Ending balance, value at Sep. 30, 2024 $ 1 $ 14 $ 8,049 73,623,553 (70,961,695) (157,452) 2,512,469
Ending balance, shares at Sep. 30, 2024 1,399 13,625 8,051,189        
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        
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 costs (138,226) (138,226)
Stock options excercised $ 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        
Series D 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 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        
Stock options compensation 22,204 22,204
Restricted stock compensation 1,028,012 1,028,012
Restricted stock compensation, shares            
Restricted stock issued $ 10 44,590 44,600
Restricted stock issued, shares     10,000        
Stock issuance costs (67,012) (67,012)
Stock options excercised for cash $ 7 36,845 36,852
Stock options exercised for cash, shares     6,667        
Stock options excercised - cashless $ 3 (3)
Stock options exercised - cashless, shares     3,576        
Series E preferred stock converted to common stock $ (1.00) $ 384 (383)
Series E preferred stock converted to common stock, shares   (1,000) 383,143        
Stock issued for services $ 5 39,995 40,000
Stock issued for services, shares     5,419        
Stock issued under the Employee Stock Purchase Plan for cash and compensation $ 19 158,175 158,194
Stock issued under the Employee Stock Purchase Plan for cash and compensation, shares     18,983        
Common stock issued for cash under ATM $ 238 1,835,636 1,835,874
Common stock issued for cash under ATM, shares     238,145        
Net loss (3,518,031) (3,518,031)
Ending balance, value at Jun. 30, 2025 $ 1 $ 13 $ 12,320 84,843,468 (79,965,703) (157,452) 4,732,647
Ending balance, shares at Jun. 30, 2025 999 12,500 12,321,162        
Stock options compensation 21,405 21,405
Restricted stock compensation 979,130 979,130
Restricted stock compensation, shares            
Restricted stock issued $ 175 56,919 57,094
Restricted stock issued, shares     175,000        
Restricted stock forfeited $ (112) (112,013) (112,125)
Restricted stock forfeited, shares     (112,500)        
Warrants issued with equity offering 836,989 836,989
Stock issuance costs (4,210,917) (4,210,917)
Stock issued for services $ 6 44,327 44,333
Stock issued for services, shares     5,965        
Common stock issued for cash under ATM $ 428 3,136,105 3,136,533
Common stock issued for cash under ATM, shares     427,795        
Common stock issued for cash in Equity Offering $ 7,506 45,025,602 45,033,108
Common stock issued for cash in Equity Offering, shares     7,505,518        
Stock compensation under ESPP 23,872 23,872
Net loss (1,040,254) (1,040,254)
Ending balance, value at Sep. 30, 2025 $ 1 $ 13 $ 20,323 $ 130,644,887 $ (81,005,957) $ (157,452) $ 49,501,815
Ending balance, shares at Sep. 30, 2025 999 12,500 20,322,940