Note 11 - Accumulated Other Comprehensive Income (Loss) (Details) - Cumulative balance of each component of accumulated other comprehensive income (loss) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Cumulative balance of each component of accumulated other comprehensive income (loss) [Abstract]
Foreign currency translation adjustment - beginning balance	$ 2,599	$ 2,315
Defined benefit pension plan liability - beginning balance	(3,457)	(5,341)
Accumulated other comprehensive income (loss) - beginning balance	(858)	(3,026)
Foreign currency translation adjustment - current period change	85	(30)
Defined benefit pension plan liability - current period change	0	0
Accumulated other comprehensive income (loss) - current period change	85	(30)
Foreign currency translation adjustment - ending balance	2,684	2,285
Defined benefit pension plan liability - ending balance	(3,457)	(5,341)
Accumulated other comprehensive income (loss) - ending balance	$ (773)	$ (3,056)