Note 9 - Derivative Financial Instruments (Details) - Gain (loss) recognized in comprehensive income on derivative financial instruments (Interest Rate Swap [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Interest Rate Swap [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Interest rate swaps	$ (90)	$ (261)