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Note 8 - Share-based Compensation - Unvested Balance of Options (Details)
3 Months Ended
Mar. 31, 2025
$ / shares
shares
Unvested, number of unvested options (in shares) | shares 148,666
Unvested, weighted average exercise price per share (in dollars per share) | $ / shares $ 5.66
Unvested, weighted average remaining contractual term (Year) 9 years 4 months 24 days
Granted, number of unvested options (in shares) | shares 0
Granted, weighted average exercise price per share (in dollars per share) | $ / shares $ 0
Forfeited, number of unvested options (in shares) | shares 0
Forfeited, weighted average exercise price per share (in dollars per share) | $ / shares $ 0
Vested, number of unvested options (in shares) | shares 0
Vested, weighted average exercise price per share (in dollars per share) | $ / shares $ 0
Unvested, number of unvested options (in shares) | shares 148,666
Unvested, weighted average exercise price per share (in dollars per share) | $ / shares $ 5.66