v3.25.1
Note 8 - Share-based Compensation - Summary of Stock Option Activity (Details)
$ / shares in Units, $ in Thousands
 3 Months Ended
Mar. 31, 2025
USD ($)
$ / shares
shares
Outstanding, options (in shares) | shares 66,208
Outstanding, weighted average exercise price (in dollars per share) | $ / shares $ 69.47
Outstanding, weighted average remaining contractual life (Year) 4 years 6 months 25 days
Outstanding, aggregate intrinsic value | $ $ 8,931
Exercisable, options (in shares) | shares 63,250
Exercisable, weighted average exercise price (in dollars per share) | $ / shares $ 60.51
Exercisable, weighted average remaining contractual life (Year) 4 years 4 months 6 days
Exercisable, aggregate intrinsic value | $ $ 8,931
Employee and Nonemployee Stock Option [Member]  
Outstanding, options (in shares) | shares 73,232
Outstanding, weighted average exercise price (in dollars per share) | $ / shares $ 67.15
Granted, options (in shares) | shares 0
Granted, weighted average exercise price (in dollars per share) | $ / shares $ 0
Exercised, options (in shares) | shares (7,024)
Exercised, weighted average exercise price (in dollars per share) | $ / shares $ 45.26
Vested and expected to vest, options (in shares) | shares 66,208
Vested and expected to vest, weighted average exercise price (in dollars per share) | $ / shares $ 69.47
Vested and expected to vest, weighted average remaining life (Year) 4 years 6 months 25 days
Vested and expected to vest, intrinsic value | $ $ 8,931