v3.26.3
Note 7 - Net Income (Loss) Per Share - Basic and Diluted Loss Per Share (Details) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Jun. 30, 2026
Mar. 31, 2026
Sep. 30, 2025
Jun. 30, 2025
Mar. 31, 2025
Sep. 30, 2026
Sep. 30, 2025
Net income (loss) $ (6,196,475) $ (5,313,300) $ (3,893,050) $ (3,437,601) $ (2,453,526) $ (2,624,972) $ (15,402,825) $ (8,516,099)
Weighted Average Number of Shares Outstanding, Basic (in shares) [1] 8,561,371     7,123,849     8,546,516 7,036,937
Net income (loss) per common share, basic and diluted (in dollars per share) $ (0.72)     $ (0.48)     $ (1.8) $ (1.21)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)             849,606 715,315
Share-Based Payment Arrangement, Option [Member]                
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) 721,000     601,000     721,000 601,000
Restricted Stock Units (RSUs) [Member]                
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) 129,000     115,000     129,000 115,000
[1] Pre-funded warrants outstanding during the three and nine months ended September 30, 2026 and 2025, are exercisable at a nominal price and are considered, in substance, equivalent to outstanding common stock. Accordingly, such pre-funded warrants have been included in the calculation of weighted-average shares of common stock outstanding for purposes of basic and diluted net income (loss) per share.