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Inventories
9 Months Ended
Apr. 30, 2022
Inventories [Abstract]  
Inventories

Note 5 – Inventories

 

Inventories consist of the following:

 

   April 30,
2022
   July 31,
2021
 
Raw materials  $1,480   $1,062 
Work in process   2,598    2,534 
Finished products   10,856    9,056 
   $14,934   $12,652