v3.25.2
Note 7 - Net Loss Per Share - Basic and Diluted Loss Per Share (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2024
Mar. 31, 2024
Jun. 30, 2025
Jun. 30, 2024
Net loss $ (2,453,526) $ (2,624,972) $ (1,715,309) $ (1,641,226) $ (5,078,498) $ (3,356,535)
Weighted-average common shares outstanding, basic and diluted (in shares) [1] 6,998,082   3,502,927   6,992,761 3,349,440
Net loss per common share, basic and diluted (in dollars per share) $ (0.35)   $ (0.49)   $ (0.73) $ (1)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) 754,939   490,549   754,939 490,549
Share-Based Payment Arrangement, Option [Member]            
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) 627,000   421,000   627,000 421,000
Restricted Stock Units (RSUs) [Member]            
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) 128,000   70,000   128,000 70,000
[1] Information pertaining to number of shares outstanding and per share data gives retroactive effect to a 1 for 5 reverse stock split that became effective on August 12, 2024.