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Note 6 - Property and Equipment (Tables)
12 Months Ended
Dec. 31, 2025
Notes Tables  
Property, Plant and Equipment [Table Text Block]
   

December 31,

 
   

2025

   

2024

 
   

(000's)

 

Equipment

  $ 4,741     $ 4,716  

Furniture and fixtures

    22       22  

Leasehold improvements

    1,612       1,612  

Software

    364       364  

Total property and equipment–at cost

    6,739       6,714  

Less: Accumulated depreciation and amortization

    (6,637 )     (6,361 )

Property and equipment, net

  $ 102     $ 353