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Note 5 - Property and Equipment (Tables)
12 Months Ended
Dec. 31, 2022
Notes Tables  
Property, Plant and Equipment [Table Text Block]
  

December 31,

2022

  

January 1,

2022

  

January 2,

2021

 

Computers and systems

 $4,077  $4,133  $4,686 

Equipment and furniture

  220   86   264 

Leasehold improvements

  267   159   236 

Laboratory equipment

  67   -   - 
   4,630   4,378   5,185 
             

Less: accumulated depreciation and amortization

  2,532   2,439   3,107 
             

Property and equipment, net

 $2,098  $1,939  $2,078