v3.26.3
Note 9 - Stockholders' Equity - Option Activity (Details) - The 2019 Plan [Member] - USD ($)
 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Options outstanding (in shares) 33,907,621 25,555,170
Options outstanding, exercise price (in dollars per share) $ 0.58 $ 0.42
Exercised (in shares) (30,000) (356,150)
Exercised, exercise price (in dollars per share) $ 0.25 $ 0.51
Forfeited (in shares) (45,000) (18,750)
Forfeited, exercise price (in dollars per share) $ 1.07 $ 0.21
Expired (in shares) 0 (19,100)
Expired, exercise price (in dollars per share) $ 0 $ 0.74
Granted (in shares) 2,338,956 8,628,951
Granted, exercise price (in dollars per share) $ 1.3 $ 1.06
Options outstanding (in shares) 36,171,577 33,790,121
Options outstanding, exercise price (in dollars per share) $ 0.63 $ 0.58
Options outstanding, intrinsic value $ 18,114,403 $ 14,263,079
Options exercisable (in shares) 10,714,897 6,645,816
Options exercisable, exercise price (in dollars per share) $ 0.68 $ 0.66
Options exercisable, intrinsic value $ 5,006,401 $ 2,315,670
Weighted average fair value of options granted (in dollars per share) $ 0.95 $ 0.82