XML 40 R30.htm IDEA: XBRL DOCUMENT v3.21.2
INVENTORIES (Tables)
3 Months Ended
Aug. 31, 2021
INVENTORIES  
Schedule of inventories

Inventories are comprised of the following (in thousands):

 

 

 

August 31,

 

 

May 31,

 

 

 

2021

 

 

2021

 

Raw materials and sub-assemblies

 

$7,162

 

 

$5,859

 

Work in process

 

 

2,946

 

 

 

2,988

 

Finished goods

 

 

38

 

 

 

2

 

 

 

$10,146

 

 

$8,849