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Note 6 - Accrued Liabilities (Tables)
12 Months Ended
Dec. 31, 2024
Notes Tables  
Schedule of Accrued Liabilities [Table Text Block]
  

December 31,

 
  

2024

  

2023

 
         

Payroll, bonus, and benefits

 $110  $90 

Legal and consulting

  1,444   284 

Water project, pipeline development and well development

  559   146 
Pipeline purchase option  5,000   - 

Other accrued expenses

  884   650 
  $7,997  $1,170