Note 10 - Segment Information - Financial Results for Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2016		Sep. 30, 2015
North American Segment [Member]
Net sales	$ 28,403	[1]	$ 32,411
Operating income	152		2,826
International Segment [Member]
Net sales	20,510	[1]	18,627
Operating income	(866)		(1,048)
Unallocated [Member]
Net sales		[1]
Operating income	(1,916)		(1,599)
Net sales	48,913	[1]	51,038
Operating income	$ (1,850)		$ 179

[1] Excludes $2,357 of North American segment sales to the International segment and $3,082 of International segment sales to the North American segment.