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INVENTORIES (Tables)
3 Months Ended
Aug. 31, 2022
INVENTORIES  
Schedule of inventories

Inventories are comprised of the following (in thousands):

 

 

 

August 31,

 

 

May 31,

 

 

 

2022

 

 

2022

 

Raw materials and sub-assemblies

 

$12,292

 

 

$9,507

 

Work in process

 

 

4,941

 

 

 

5,461

 

Finished goods

 

 

-

 

 

 

83

 

 

 

$17,233

 

 

$15,051