XML 34 R24.htm IDEA: XBRL DOCUMENT v3.6.0.2
6. INVENTORIES (Tables)
6 Months Ended
Nov. 30, 2016
Inventory Disclosure [Abstract]  
Inventories

Inventories are comprised of the following (in thousands):

 

   November 30,  May 31,
   2016  2016
Raw materials and sub-assemblies  $2,495   $2,839 
Work in process   3,308    4,151 
Finished goods   266    43 
   $6,069   $7,033