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Note 13 - Stockholders' Equity - Valuation Assumptions (Details) - Warrants Issued With 2023 Promissory Notes [Member]
Jul. 30, 2024
Measurement Input, Risk Free Interest Rate [Member]  
Warrants, measurement input 0.0342
Measurement Input, Expected Term [Member]  
Warrants, measurement input 5
Measurement Input, Price Volatility [Member]  
Warrants, measurement input 1.13
Measurement Input, Expected Dividend Rate [Member]  
Warrants, measurement input 0
Annual Forfeiture Rate [Member]  
Warrants, measurement input 0