Note 12 - Fair Value Considerations - Valuation Assumptions (Details)	Dec. 31, 2024
Measurement Input, Share Price [Member] | June 2023 Warrants Tranche A [Member]
Derivative liability, measurement input	1.7
Measurement Input, Share Price [Member] | Other Warrants [Member]
Derivative liability, measurement input	1.7	[1]
Measurement Input, Expected Term [Member] | June 2023 Warrants Tranche A [Member]
Derivative liability, measurement input	3.4
Measurement Input, Expected Term [Member] | Other Warrants [Member] | Minimum [Member]
Derivative liability, measurement input	2.1	[1]
Measurement Input, Expected Term [Member] | Other Warrants [Member] | Maximum [Member]
Derivative liability, measurement input	2.7	[1]
Measurement Input, Price Volatility [Member] | June 2023 Warrants Tranche A [Member]
Derivative liability, measurement input	0.808
Measurement Input, Price Volatility [Member] | Other Warrants [Member] | Minimum [Member]
Derivative liability, measurement input	0.747	[1]
Measurement Input, Price Volatility [Member] | Other Warrants [Member] | Maximum [Member]
Derivative liability, measurement input	0.805	[1]
Measurement Input, Risk Free Interest Rate [Member] | June 2023 Warrants Tranche A [Member]
Derivative liability, measurement input	0.043
Measurement Input, Risk Free Interest Rate [Member] | Other Warrants [Member]
Derivative liability, measurement input	0.043	[1]
Measurement Input, Expected Dividend Rate [Member] | June 2023 Warrants Tranche A [Member]
Derivative liability, measurement input	0
Measurement Input, Expected Dividend Rate [Member] | Other Warrants [Member]
Derivative liability, 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.