Note 11 - Derivative Financial Instruments (Tables)

6 Months Ended

Nov. 30, 2015

Notes Tables

Schedule of Interest Rate Derivatives [Table Text Block]

	As of
	November 30, 2015			May 31, 2015
Interest rate swaps (included in other liabilities)	$	(376	)		(686	)

Derivative Instruments, Gain (Loss) [Table Text Block]

	Three Months Ended						Six Months Ended
	November 30						November 30
Location of (loss) gain reclassified from AOCI into income	2015			2014			2015			2014
(Losses) gains on cash flow hedges:
Interest expense (effective portion)	$	(151	)		(225	)		(368	)		(486	)
Interest income (expense) (ineffective portion)	$	-			(2	)		(1	)		(2	)