Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Stock Incentive Plan - Options Outstanding (Details)

v3.24.3
Note 5 - Stock Incentive Plan - Options Outstanding (Details)
 9 Months Ended
Sep. 30, 2024
$ / shares
shares
Number of shares subject to options outstanding (in shares) 428,915
Weighted-average remaining contractual term (Year) 6 years 18 days
Number of shares, exercisable (in shares) 324,490
Weighted-average remaining contractual term, exercisable (Year) 5 years 2 months 19 days
Price Range 1 [Member]  
Lower exercise price (in dollars per share) | $ / shares $ 0
Upper exercise price (in dollars per share) | $ / shares $ 25
Number of shares subject to options outstanding (in shares) 282,170
Weighted-average remaining contractual term (Year) 6 years 8 months 15 days
Number of shares, exercisable (in shares) 182,266
Weighted-average remaining contractual term, exercisable (Year) 5 years 7 months 9 days
Price Range 2 [Member]  
Lower exercise price (in dollars per share) | $ / shares $ 25.01
Upper exercise price (in dollars per share) | $ / shares $ 50
Number of shares subject to options outstanding (in shares) 122,908
Weighted-average remaining contractual term (Year) 4 years 8 months 4 days
Number of shares, exercisable (in shares) 118,387
Weighted-average remaining contractual term, exercisable (Year) 4 years 7 months 9 days
Price Range 3 [Member]  
Lower exercise price (in dollars per share) | $ / shares $ 50.01
Upper exercise price (in dollars per share) | $ / shares $ 75
Number of shares subject to options outstanding (in shares) 22,612
Weighted-average remaining contractual term (Year) 5 years 2 months 23 days
Number of shares, exercisable (in shares) 22,612
Weighted-average remaining contractual term, exercisable (Year) 5 years 2 months 23 days
Price Range 4 [Member]  
Lower exercise price (in dollars per share) | $ / shares $ 75.01
Upper exercise price (in dollars per share) | $ / shares $ 100
Number of shares subject to options outstanding (in shares) 1,225
Weighted-average remaining contractual term (Year) 5 years 4 months 2 days
Number of shares, exercisable (in shares) 1,225
Weighted-average remaining contractual term, exercisable (Year) 5 years 4 months 2 days