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Note 6 - Property and Equipment (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Property, Plant and Equipment [Table Text Block]
  December 31, 
  

2021

  

2020

 

Furniture and fixtures

 $1,122  $722 

Office equipment

  467   211 

Software

  1,159   1,159 

Laboratory equipment

  4,247   3,774 

Leasehold improvements

  9,832   8,583 

Total property and equipment

 $16,827  $14,449 

Less accumulated depreciation and amortization

  (8,113)  (7,336)

Property and equipment, net

 $8,714  $7,113