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Note 7 - Commitments and Contingencies (Tables)
3 Months Ended
Mar. 31, 2025
Notes Tables  
Lease, Cost [Table Text Block]
  

Three Months Ended March 31,

 
  

2025

  

2024

 

Lease cost:

        

Operating lease cost

 $38  $38 

Variable lease cost

  7   2 

Total

 $45  $40