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Note 6 - Accrued Liabilities (Tables)
3 Months Ended
Mar. 31, 2026
Notes Tables  
Schedule of Accrued Liabilities [Table Text Block]
   

March 31,

   

December 31,

 
   

2026

   

2025

 

Professional Services

  $ 493     $ 40  

Taxes

    320       247  

Interest on Unsecured Convertible Notes

    -       58  

Other

    314       51  

Total accrued liabilities

  $ 1,127     $ 396