Note 11 - Segment Information - Financial Results for Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended				9 Months Ended
	Mar. 31, 2017		Mar. 31, 2016		Mar. 31, 2017		Mar. 31, 2016
Sales	$ 50,670	[1]	$ 50,329	[2]	$ 152,770	[3]	$ 155,038	[4]
Operating Income (Loss)	(853)		914		(874)		2,296
North American Segment [Member]
Sales	31,791	[1]	32,473	[2]	92,345	[3]	99,188	[4]
Operating Income (Loss)	1,563		2,542		4,520		8,172
International Segment [Member]
Sales	18,879	[1]	17,856	[2]	60,425	[3]	55,850	[4]
Operating Income (Loss)	(693)		(112)		(143)		(1,583)
Unallocated [Member]
Sales		[1]		[2]		[3]		[4]
Operating Income (Loss)	$ (1,723)		$ (1,515)		$ (5,251)		$ (4,292)

[1] Excludes $1,493 of North American segment sales to the International segment and $2,536 of International segment sales to the North American segment.

[2] Excludes $2,238 of North American segment sales to the International segment and $2,120 of International segment sales to the North American segment.

[3] Excludes $6,189 of North American segment sales to the International segment and $8,585 of International segment sales to the North American segment.

[4] Excludes $6,480 of North American segment sales to the International segment and $6,799 of International segment sales to the North American segment.