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Note 9 - Inventory (Tables)
3 Months Ended
Jun. 30, 2022
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   

June 30, 2022

   

March 31, 2022

 

Raw materials

  $ 15,239     $ 11,020  

Work-in-process

    12,077       10,462  

Finished goods

    4,734       1,326  

Deferred program costs

    874       858  

Net inventory

  $ 32,924     $ 23,666