Quarterly report [Sections 13 or 15(d)]

Note 13 - Stock-based Compensation (Details Textual)

v3.25.2
Note 13 - Stock-based Compensation (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Jun. 01, 2021
Common Stock, No Par Value $ 0   $ 0   $ 0  
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in shares) 3,777   3,777      
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year)     10 years      
Employee Stock Purchase Plan, Maximum Payroll Deduction, Percent 15.00%   15.00%      
Employee Stock Purchase Plan, Stock Purchase Price, Percent 85.00%   85.00%      
Common shares issued under the ESPP plan (Shares)     338 363    
Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount $ 200   $ 200      
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)     1 year 2 months 12 days      
Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount $ 0   $ 0      
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number 30,565,000   30,565,000      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price (in dollars per share) $ 1,404.63   $ 1,404.63      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term (Month)     5 years 6 months      
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term     5 years 9 months 18 days      
Share-Based Payment Arrangement, Expense $ 64 $ 207 $ 391 $ 1,016    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares)     0 13,605,000    
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price     $ 0      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)     0 0    
New Incentive Plan [Member]            
Common Stock, No Par Value           $ 0
New Incentive Plan [Member] | Maximum [Member]            
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in shares)           23,046