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Note 6 - Inventories (Tables)
12 Months Ended
Dec. 31, 2022
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

As of December 31,

 
  

2022

  

2021

 

Raw materials

 $27,644  $16,148 

Work-in-process

  13,843   13,639 

Finished goods

  4,916   6,575 
   46,403   36,362 

Less: Reserve

  (2,141)  (2,985)

Net inventories

 $44,262  $33,377