Note 10 - Segment Information - Financial Results for Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Dec. 31, 2016		Dec. 31, 2015		Dec. 31, 2016		Dec. 31, 2015
Sales	$ 53,187	[1]	$ 53,671	[2]	$ 102,100	[3]	$ 104,709	[4]
Operating Income (Loss)	1,829		1,203		(21)		1,382
North American Segment [Member]
Sales	32,151	[1]	34,304	[2]	60,554	[3]	66,715	[4]
Operating Income (Loss)	2,805		2,804		2,957		5,630
International Segment [Member]
Sales	21,036	[1]	19,367	[2]	41,546	[3]	37,994	[4]
Operating Income (Loss)	636		(423)		550		(1,471)
Unallocated [Member]
Sales		[1]		[2]		[3]		[4]
Operating Income (Loss)	$ (1,612)		$ (1,178)		$ (3,528)		$ (2,777)

[1] Excludes $2,339 of North American segment sales to the International segment and $2,968 of International segment sales to the North American segment.

[2] Excludes $2,333 of North American segment sales to the International segment and $2,416 of International segment sales to the North American segment.

[3] Excludes $4,696 of North American segment sales to the International segment and $6,049 of International segment sales to the North American segment.

[4] Excludes $4,242 of North American segment sales to the International segment and $4,679 of International segment sales to the North American segment.