Note 5 - Property and Equipment, Net (Tables)

3 Months Ended

Aug. 31, 2014

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment [Table Text Block]

	As of
	August 31, 2014			May 31, 2014
Land	$	289			290
Buildings and improvements		2,939			2,966
Leasehold improvements		25,101			24,693
Capital work-in-progress		4,973			3,927
Furniture and fixtures		4,096			3,656
Machinery, equipment and instruments		89,776			88,057
		127,174			123,589
Less accumulated depreciation		(51,380	)		(47,278	)
Property and equipment, net	$	75,794			76,311