v3.26.1
Note 6 - Intangible Assets (Details Textual)
3 Months Ended 6 Months Ended
Jun. 30, 2026
USD ($)
$ / shares
shares
Jun. 30, 2026
USD ($)
$ / shares
shares
May 29, 2026
USD ($)
$ / shares
shares
Dec. 31, 2025
USD ($)
Intangible Asset, Finite-Lived, after Accumulated Amortization $ 58,000 $ 58,000   $ 0
Closing Warrant [Member] | Manako Labs Ltd [Member]        
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in shares) | shares     100,000  
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares     $ 3.41  
Class of Warrant or Right, Beneficial Ownership Percentage     9.99%  
Intangible Asset, Finite-Lived, after Accumulated Amortization     $ 60,000  
Intangible Asset, Finite-Lived, Useful Life (Year)     3 years  
Intangible Asset, Finite-Lived, Amortization Expense 2,000 2,000    
Intangible Asset, Finite-Lived, Estimated Amortization Expense, Remainder of Fiscal Year 10,000 10,000    
Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year One 20,000 20,000    
Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Two 20,000 20,000    
Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Three $ 9,000 $ 9,000    
Closing Warrant [Member] | Manako Labs Ltd [Member] | Measurement Input, Share Price [Member]        
Warrants and Rights Outstanding, Measurement Input     1.36  
Closing Warrant [Member] | Manako Labs Ltd [Member] | Measurement Input, Exercise Price [Member]        
Warrants and Rights Outstanding, Measurement Input     3.41  
Closing Warrant [Member] | Manako Labs Ltd [Member] | Measurement Input, Price Volatility [Member]        
Warrants and Rights Outstanding, Measurement Input     1.428  
Closing Warrant [Member] | Manako Labs Ltd [Member] | Measurement Input, Risk Free Interest Rate [Member]        
Warrants and Rights Outstanding, Measurement Input     0.0389  
Closing Warrant [Member] | Manako Labs Ltd [Member] | Measurement Input, Expected Dividend Payment [Member]        
Warrants and Rights Outstanding, Measurement Input     0  
Contingent Tranche A and B Warrants [Member] | Manako Labs Ltd [Member]        
Class of Warrant or Right, Unissued (in shares) | shares 200,000 200,000 200,000  
Tranche A Warrants [Member] | Manako Labs Ltd [Member]        
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares $ 4.5 $ 4.5 $ 4.5  
Class of Warrant or Right, Unissued (in shares) | shares 100,000 100,000 100,000  
Tranche B Warrants [Member] | Manako Labs Ltd [Member]        
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares $ 5.5 $ 5.5 $ 5.5  
Class of Warrant or Right, Unissued (in shares) | shares 100,000 100,000 100,000