Note 6 - Property and Equipment, Net (Tables)

9 Months Ended

Feb. 28, 2015

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment [Table Text Block]

	As of
	February 28, 2015			May 31, 2014
Land	$	251			290
Buildings and improvements		2,509			2,966
Leasehold improvements		25,791			24,693
Capital work-in-progress		5,446			3,927
Furniture and fixtures		3,830			3,656
Machinery, equipment and instruments		91,546			88,057
		129,373			123,589
Less accumulated depreciation		(56,130	)		(47,278	)
Property and equipment, net	$	73,243			76,311