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Note 11 - Stock-based Compensation (Details Textual) - USD ($)
1 Months Ended 3 Months Ended 12 Months Ended
Nov. 30, 2024
Dec. 31, 2025
Dec. 31, 2024
Sep. 30, 2024
Nov. 30, 2025
Share-Based Payment Arrangement, Expense   $ 3,862 $ 4,872    
Market Condition Vesting [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 3 years        
Restricted Stock Units (RSUs) [Member]          
Share-Based Payment Arrangement, Expense   $ 3,622,000 4,615,000    
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares)   237,874,000      
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount   $ 42,600,000      
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)   2 years      
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum 48.80%        
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum 50.30%        
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum 3.49%        
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum 4.27%        
Time Based Restricted Stock Units [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)   3 years      
Time Based Restricted Stock Units [Member] | Share-Based Payment Arrangement, Tranche One [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage   33.33%      
Performance Based Restricted Stock Units [Member]          
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount         $ 2,700,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)       3 years  
Share-Based Payment Arrangement, Plan Modification, Incremental Cost   $ 200,000      
Share-Based Compensation Arrangement by Share-Based Payment Award, Performance Awards, Percentage Earned if Goals Met   100.00%      
Performance Based Restricted Stock Units [Member] | Maximum [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award, Performance Awards, Percentage Earned if Goals Met   200.00%      
Discontinued Operations [Member] | Restricted Stock Units (RSUs) [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares)   7,071      
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value   $ 6,900,000      
Equity Incentive Plan 2020 [Member] | Discontinued Operations [Member]          
Share-Based Payment Arrangement, Expense   $ 200,000 $ 200,000