6. INVENTORIES (Tables)

9 Months Ended

Feb. 28, 2017

Inventory Disclosure [Abstract]

Inventories

Inventories are comprised of the following (in thousands):

	February 28,		May 31,
	2017		2016
Raw materials and sub-assemblies	$	3,330	$	2,839
Work in process		3,636		4,151
Finished goods		241		43
	$	7,207	$	7,033