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Note 9 - Convertible Promissory Note (Details Textual)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 20, 2024
USD ($)
$ / shares
shares
Dec. 31, 2024
USD ($)
$ / shares
Dec. 31, 2023
USD ($)
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares   $ 11.54  
Unrealized Gain (Loss) on Derivatives   $ (156) $ 0
Conversion Option [Member]      
Unrealized Gain (Loss) on Derivatives   157  
Conversion Option [Member] | Other Nonoperating Income (Expense) [Member]      
Payments of Debt Issuance Costs   $ 16  
Measurement Input, Share Price [Member] | Conversion Option [Member]      
Derivative Liability, Measurement Input   2.33  
Measurement Input, Exercise Price [Member] | Conversion Option [Member]      
Derivative Liability, Measurement Input   3  
Measurement Input, Expected Term [Member] | Conversion Option [Member]      
Derivative Liability, Measurement Input   1  
Measurement Input, Price Volatility [Member] | Conversion Option [Member]      
Derivative Liability, Measurement Input   1.1071  
Measurement Input, Risk Free Interest Rate [Member] | Conversion Option [Member]      
Derivative Liability, Measurement Input   0.0427  
Convertible Promissory Note Warrants [Member]      
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) | shares 800,000    
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares $ 4    
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in shares) | shares 1    
Warrants and Rights Outstanding, Term (Year) 5 years    
Convertible Promissory Note [Member]      
Debt Instrument, Face Amount $ 2,400    
Debt Instrument, Unamortized Discount 360    
Proceeds from Issuance of Debt $ 2,040    
Debt Instrument, Convertible, Conversion Price (in dollars per share) | $ / shares $ 3    
Debt Instrument, Covenant, Minimum Financing Required to Avoid Conversion Price Adjustment $ 5,000    
Debt Instrument, Covenant, Minimum Financing Required to Avoid Conversion Price Adjustment, Percentage If Not Met 90.00%    
Debt Instrument, Minimum Floor Price (in dollars per share) | $ / shares $ 0.48    
Debt Instrument, Covenant, Percentage Adjustment to Conversion Price if Defaulted 85.00%    
Debt Instrument, Covenant, Percentage Increase in Prepayment of Outstanding Principal From Control Change 115.00%    
Payments of Debt Issuance Costs   $ 85