Note 13 - Fair Value Measurements - Schedule of Significant Inputs (Details)	Jun. 30, 2026 $ / shares	Dec. 31, 2025 $ / shares	Jun. 30, 2025
Anson Convertible Notes [Member] \| Measurement Input, Share Price [Member]
Measurement input			3.26
Anson Convertible Notes [Member] \| Measurement Input, Expected Term [Member] \| Minimum [Member]
Measurement input			0.54
Anson Convertible Notes [Member] \| Measurement Input, Expected Term [Member] \| Maximum [Member]
Measurement input			0.83
Anson Convertible Notes [Member] \| Measurement Input Cost of Debt [Member]
Measurement input			0.1266
Anson Convertible Notes [Member] \| Measurement Input, Price Volatility [Member] \| Minimum [Member]
Measurement input			1.175
Anson Convertible Notes [Member] \| Measurement Input, Price Volatility [Member] \| Maximum [Member]
Measurement input			1.38
Anson Convertible Notes [Member] \| Measurement Input, Risk Free Interest Rate [Member]
Measurement input			0.0407
Anson Convertible Notes [Member] \| Measurement Input, Probability of Default [Member]
Measurement input			0
Warrants [Member] \| Minimum [Member]
Fair value of warrants (in dollars per share)		$ 0.01
Warrants [Member] \| Maximum [Member]
Fair value of warrants (in dollars per share)	$ 0.01	$ 2.22
Warrants [Member] \| Measurement Input, Share Price [Member]
Warrant measurement input	4.09	2.71
Warrants [Member] \| Measurement Input, Expected Term [Member] \| Minimum [Member]
Warrant measurement input	3.13	0.39
Warrants [Member] \| Measurement Input, Expected Term [Member] \| Maximum [Member]
Warrant measurement input	3.72	3.62
Warrants [Member] \| Measurement Input, Exercise Price [Member] \| Minimum [Member]
Warrant measurement input	1.65	1.65
Warrants [Member] \| Measurement Input, Exercise Price [Member] \| Maximum [Member]
Warrant measurement input	2.3	11.5
Warrants [Member] \| Measurement Input, Price Volatility [Member] \| Minimum [Member]
Warrant measurement input	1.0626	0.8052
Warrants [Member] \| Measurement Input, Price Volatility [Member] \| Maximum [Member]
Warrant measurement input	1.1021	1.188
Warrants [Member] \| Measurement Input, Risk Free Interest Rate [Member]
Warrant measurement input	0.0415
Warrants [Member] \| Measurement Input, Risk Free Interest Rate [Member] \| Minimum [Member]
Warrant measurement input		0.0361
Warrants [Member] \| Measurement Input, Risk Free Interest Rate [Member] \| Maximum [Member]
Warrant measurement input		0.0364
Warrants [Member] \| Measurement Input, Expected Dividend Rate [Member]
Warrant measurement input	0	0