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Note 7 - Accrued Expenses (Tables)
12 Months Ended
Dec. 31, 2024
Notes Tables  
Schedule of Accrued Liabilities [Table Text Block]
   

December 31,

 
   

2024

   

2023

 
   

(000's)

 

Project expenses

  $ 2,873     $ 336  

Compensation and benefits

    2,793       1,938  

Other

    621       240  

Total accrued expenses

  $ 6,287     $ 2,514