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		9 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Interest Rate Swap [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Interest rate swaps	$ (47)	$ (66)	$ (167)	$ (275)