6. INVENTORIES (Tables)

6 Months Ended

Nov. 30, 2015

Inventory Disclosure [Abstract]

Inventories

    Inventories are comprised of the following (in thousands):

	November 30,		May 31,
	2015		2015
Raw materials and sub-assemblies	$	3,570	$	4,018
Work in process		3,848		2,584
Finished goods		1		521
	$	7,419	$	7,123