Note 10 - Segment Information (Details Textual)	3 Months Ended
	Sep. 30, 2016 USD ($)		Sep. 30, 2015 USD ($)
North American Segment [Member] | Intersegment Eliminations [Member]
Revenue, Net	$ 2,357,000		$ 1,910,000
North American Segment [Member]
Revenue, Net	28,403,000	[1]	32,411,000
International Segment [Member] | Intersegment Eliminations [Member]
Revenue, Net	3,082,000		2,262,000
International Segment [Member]
Revenue, Net	$ 20,510,000	[1]	18,627,000
Number of Reportable Segments	2
Restructuring Charges	$ 343,000
Revenue, Net	$ 48,913,000	[1]	$ 51,038,000

[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.