v3.26.1
Note 11 - Fair Value Measurements (Details Textual)
$ in Millions
Jun. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Measurement Input, Discount Rate [Member] | Secured Debt [Member]    
Debt Instrument, Measurement Input 0.1815 0.1755
Measurement Input, Discount Rate [Member] | Unsecured Debt [Member]    
Debt Instrument, Measurement Input 0.1814 0.1747
Measurement Input, Risk Free Interest Rate [Member] | Secured Debt [Member]    
Debt Instrument, Measurement Input 0.0415 0.0355
Measurement Input, Risk Free Interest Rate [Member] | Unsecured Debt [Member]    
Debt Instrument, Measurement Input 0.0414 0.0347
Measurement Input, Entity Credit Risk [Member] | Secured Debt [Member]    
Debt Instrument, Measurement Input 0.08 0.08
Litigation Inherent Risk [Member] | Secured Debt [Member]    
Debt Instrument, Measurement Input 0.06 0.06
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member]    
Convertible Debt, Fair Value Disclosures $ 2.0 $ 2.8