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Note 12 - Fair Value Considerations - Valuation Assumptions (Details)
Mar. 31, 2025
Measurement Input, Share Price [Member] | June 2023 Warrants Tranche A [Member]  
Warrants and Rights Outstanding, Measurement Input 1.2
Measurement Input, Share Price [Member] | Other Warrants [Member]  
Warrants and Rights Outstanding, Measurement Input 1.2 [1]
Measurement Input, Expected Term [Member] | June 2023 Warrants Tranche A [Member]  
Warrants and Rights Outstanding, Measurement Input 3.2
Measurement Input, Expected Term [Member] | Other Warrants [Member] | Minimum [Member]  
Warrants and Rights Outstanding, Measurement Input 1.8 [1]
Measurement Input, Expected Term [Member] | Other Warrants [Member] | Maximum [Member]  
Warrants and Rights Outstanding, Measurement Input 2.4 [1]
Measurement Input, Price Volatility [Member] | June 2023 Warrants Tranche A [Member]  
Warrants and Rights Outstanding, Measurement Input 0.818
Measurement Input, Price Volatility [Member] | Other Warrants [Member] | Minimum [Member]  
Warrants and Rights Outstanding, Measurement Input 0.697 [1]
Measurement Input, Price Volatility [Member] | Other Warrants [Member] | Maximum [Member]  
Warrants and Rights Outstanding, Measurement Input 0.783 [1]
Measurement Input, Risk Free Interest Rate [Member] | June 2023 Warrants Tranche A [Member]  
Warrants and Rights Outstanding, Measurement Input 0.039
Measurement Input, Risk Free Interest Rate [Member] | Other Warrants [Member]  
Warrants and Rights Outstanding, Measurement Input 0.039 [1]
Measurement Input, Expected Dividend Rate [Member] | June 2023 Warrants Tranche A [Member]  
Warrants and Rights Outstanding, Measurement Input 0
Measurement Input, Expected Dividend Rate [Member] | Other Warrants [Member]  
Warrants and Rights Outstanding, Measurement Input 0 [1]
[1] Includes August 2022 Warrants, March 2022 Warrants, Avenue Capital Warrants and Tranche B Pre-Funded Warrants. See Note 16 - Warrants for definitions of these terms and further information.