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Note 6 - Accrued Liabilities (Tables)
9 Months Ended
Sep. 30, 2025
Notes Tables  
Schedule of Accrued Liabilities [Table Text Block]
   

September 30,

   

December 31,

 
   

2025

   

2024

 

Employee payroll and benefits

  $ 450     $ 360  

Income taxes

    200        

Interest

    118       37  

Professional services

    8       99  

Other

    31       85  

Total accrued liabilities

  $ 807     $ 581