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Note 6 - Property and Equipment (Tables)
12 Months Ended
Dec. 31, 2023
Notes Tables  
Property, Plant and Equipment [Table Text Block]
  

December 31,

  

December 31,

 
  

2023

  

2022

 

Office and laboratory equipment

 $20  $20 

Furniture and fixtures

  157   157 

Computer equipment and software

  431   412 

Leasehold improvements

  152   152 

Total property and equipment, at cost

  760   741 

Less: Accumulated depreciation

  (673)  (622)

Total property and equipment, net

 $87  $119