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

September 30, 2025

   

December 31, 2024

 

Refundable deposit

  $ 9,000     $ 6,500  

Employment tax credit

    1,856       1,856  

Accrued employee liabilities

    2,016       1,743  

Accrued property, franchise, motor fuel and other taxes

    856       881  

Other

    107       102  

Total

  $ 13,835     $ 11,082