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

September 30, 2022

  

March 31, 2022

 

Raw materials

 $17,601  $11,020 

Work-in-process

  14,591   10,462 

Finished goods

  3,254   1,326 

Deferred program costs

  896   858 

Net inventory

 $36,342  $23,666