Note 12 - Fair Value Considerations - Valuation Assumptions (Details)	Mar. 31, 2024
Measurement Input, Share Price [Member]
Derivative liability, measurement input	3.04
Measurement Input, Expected Term [Member] | June 2023 Warrants Tranche A & B [Member] | Minimum [Member]
Derivative liability, measurement input	0.21
Measurement Input, Expected Term [Member] | June 2023 Warrants Tranche A & B [Member] | Maximum [Member]
Derivative liability, measurement input	4.19
Measurement Input, Expected Term [Member] | Other Warrants [Member] | Minimum [Member]
Derivative liability, measurement input	2.84
Measurement Input, Expected Term [Member] | Other Warrants [Member] | Maximum [Member]
Derivative liability, measurement input	3.44
Measurement Input, Price Volatility [Member] | June 2023 Warrants Tranche A & B [Member]
Derivative liability, measurement input	0.9702
Measurement Input, Price Volatility [Member] | Other Warrants [Member]
Derivative liability, measurement input	0.9702
Measurement Input, Risk Free Interest Rate [Member] | June 2023 Warrants Tranche A & B [Member] | Minimum [Member]
Derivative liability, measurement input	0.0428
Measurement Input, Risk Free Interest Rate [Member] | June 2023 Warrants Tranche A & B [Member] | Maximum [Member]
Derivative liability, measurement input	0.0546
Measurement Input, Risk Free Interest Rate [Member] | Other Warrants [Member] | Minimum [Member]
Derivative liability, measurement input	0.0436
Measurement Input, Risk Free Interest Rate [Member] | Other Warrants [Member] | Maximum [Member]
Derivative liability, measurement input	0.0441
Measurement Input, Expected Dividend Rate [Member] | June 2023 Warrants Tranche A & B [Member]
Derivative liability, measurement input	0
Measurement Input, Expected Dividend Rate [Member] | Other Warrants [Member]
Derivative liability, measurement input	0