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Note 4 - Fair-value Measurements - Embedded Derivative Assumptions (Details)
Jun. 30, 2025
USD ($)
Dec. 31, 2024
Call and Put Options Derivative [Member] | The Credit and Guaranty Agreement [Member] | Initial Term Loan [Member] | Measurement Input, SOFR Benchmark Rate [Member] | Minimum [Member]    
Derivative, assumption 0.0304 0.0391
Call and Put Options Derivative [Member] | The Credit and Guaranty Agreement [Member] | Initial Term Loan [Member] | Measurement Input, SOFR Benchmark Rate [Member] | Maximum [Member]    
Derivative, assumption 0.0408 0.043
Call and Put Options Derivative [Member] | The Credit and Guaranty Agreement [Member] | Initial Term Loan [Member] | Measurement Input, Discount Rate [Member]    
Derivative, assumption 0.118 0.1316
Call and Put Options Derivative [Member] | The Credit and Guaranty Agreement [Member] | Initial Term Loan [Member] | Measurement Input, Price Volatility [Member]    
Derivative, assumption 0.26 0.21
Call and Put Options Derivative [Member] | The Credit and Guaranty Agreement [Member] | Initial Term Loan [Member] | Measurement Input, Expected Term [Member]    
Derivative, assumption 1.9 3.4
Conversion Option Derivative [Member] | The 2029 Notes [Member] | Measurement Input, Share Price [Member]    
Derivative, assumption 3  
Conversion Option Derivative [Member] | The 2029 Notes [Member] | Measurement Input, Discount Rate [Member]    
Derivative, assumption 0.1888  
Conversion Option Derivative [Member] | The 2029 Notes [Member] | Measurement Input, Risk Free Interest Rate [Member]    
Derivative, assumption 0.0366  
Conversion Option Derivative [Member] | The 2029 Notes [Member] | Measurement Input, Price Volatility [Member]    
Derivative, assumption 0.70  
Conversion Option Derivative [Member] | The 2029 Notes [Member] | Measurement Input, Expected Dividend Rate [Member]    
Derivative, assumption 0  
Conversion Option Derivative [Member] | The 2029 Notes [Member] | Measurement Input, Expected Term [Member]    
Derivative, assumption 4