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Note 6 - Property and Equipment (Tables)
9 Months Ended
Sep. 30, 2024
Notes Tables  
Property, Plant and Equipment [Table Text Block]
   

September 30,

   

December 31,

 
   

2024

   

2023

 

Office and laboratory equipment

  $ 20     $ 20  

Furniture and fixtures

    157       157  

Computer equipment and software

    414       431  

Leasehold improvements

    152       152  

Total property and equipment, at cost

    743       760  

Less: accumulated depreciation

    (682 )     (673 )

Total property and equipment, net

  $ 61     $ 87