6. INVENTORIES

3 Months Ended

Aug. 31, 2016

Inventory Disclosure [Abstract]

6. INVENTORIES

6. INVENTORIES

    Inventories are comprised of the following (in thousands):

	August 31,		May 31,
	2016		2016
Raw materials and sub-assemblies	$	2,802	$	2,839
Work in process		2,970		4,151
Finished goods		259		43
	$	6,031	$	7,033