Note 11 - Warrant Liability - Valuation Techniques (Details) - Common Stock Purchase Warrants [Member]	Mar. 31, 2025	Dec. 31, 2024
Strike Price [Member] \| Maximum [Member]
Derivative Liability, Measurement Input	1.93	1.93
Strike Price [Member] \| Minimum [Member]
Derivative Liability, Measurement Input	1.92	1.92
Measurement Input, Expected Term [Member]
Derivative Liability, Measurement Input	4.72	4.97
Measurement Input, Risk Free Interest Rate [Member]
Derivative Liability, Measurement Input	0.0388	0.0429
Measurement Input, Price Volatility [Member]
Derivative Liability, Measurement Input	0.9328	0.9671
Measurement Input, Share Price [Member]
Derivative Liability, Measurement Input	1.87	2.52
Probability of Completing a Change in Control [Member]
Derivative Liability, Measurement Input	0.05	0.20
Volatility if Change in Control Occurs [Member]
Derivative Liability, Measurement Input	1	1
Measurement Input, Expected Dividend Rate [Member]
Derivative Liability, Measurement Input	0	0