XML 64 R54.htm IDEA: XBRL DOCUMENT v3.25.2
Note 8 - Share-based Compensation (Details Textual) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Share-Based Payment Arrangement, Expense, Tax Benefit $ 800,000 $ 500,000 $ 2,000,000 $ 1,500,000
Proceeds from Stock Options Exercised     165,000 107,000
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount $ 13,200,000   $ 13,200,000  
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)     2 years 9 months 18 days  
Employee and Nonemployee Stock Option [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value     $ 2,200,000 1,500
Proceeds from Stock Options Exercised     $ 376,000 $ 212,000
Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation     748 653
Shares Paid for Tax Withholding for Share Based Compensation Market Price (in dollars per share)     $ 282.42 $ 162.93
Restricted Stock Units (RSUs) [Member]        
Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation     18,152 21,914
Shares Paid for Tax Withholding for Share Based Compensation Market Price (in dollars per share)     $ 215.6 $ 216.8