Note 5 - Property and Equipment (Tables)

9 Months Ended

Feb. 28, 2014

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment [Table Text Block]

	As of
	February 28, 2014			May 31, 2013
Land	$	286			301
Buildings and improvements		2,891			3,034
Leasehold improvements		20,461			20,170
Capital work-in-progress		6,791			5,139
Furniture and fixtures		3,618			3,282
Machinery, equipment and instruments		85,324			75,388
		119,371			107,314
Less accumulated depreciation		(43,409	)		(30,933	)
Property and equipment, net	$	75,962		$	76,381