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Note 10 - Convertible Promissory Note (Tables)
6 Months Ended
Jun. 30, 2025
Notes Tables  
Convertible Debt [Table Text Block]
Balance at December 31, 2023   $ -  
Convertible promissory note proceeds, net of transaction costs     1,995  
Allocation to warrants, net of transaction costs     (636 )
Allocation to Conversion Option, at fair value including transaction costs     (655 )
Interest and accretion     30  
Balance at December 31, 2024   $ 694  
Interest and accretion     126  
Settlement via conversion     (820 )
Balance at June 30, 2025   $ -  
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
Balance at December 31, 2023   $ -  
Allocation to Conversion Option, at fair value     671  
Change in derivative fair value     156  
Balance at December 31, 2024   $ 827  
Change in derivative fair value     9,369  
Settlement via conversion     (10,196 )
Balance at June 30, 2025   $ -