Note 17 - Geographic Sales and Long-Lived Assets (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2016		Jun. 30, 2015		Jun. 30, 2014
UNITED STATES
Revenue, Net									$ 119,638		$ 125,534		$ 117,249
Long-lived assets	$ 36,189				$ 40,146				36,189		40,146		42,740
North America Other than US [Member]
Revenue, Net									10,470		11,551		12,038
Long-lived assets	350				360				350		360		387
North America [Member]
Revenue, Net									130,108		137,085		129,287
Long-lived assets	36,539				40,506				36,539		40,506		43,127
BRAZIL
Revenue, Net									43,283		63,961		74,478
Long-lived assets	8,818				7,986				8,818		7,986		12,334
UNITED KINGDOM
Revenue, Net									24,485		26,691		28,322
Long-lived assets	2,143				2,647				2,143		2,647		3,093
CHINA
Revenue, Net									7,207		8,357		9,322
Long-lived assets	2,887				3,291				2,887		3,291		3,558
Australia and New Zealand [Member]
Revenue, Net									4,602		5,456		5,725
Long-lived assets	147				142				147		142		218
International [Member]
Revenue, Net									79,577		104,465		117,847
Long-lived assets	13,995				14,066				13,995		14,066		19,203
Revenue, Net	54,647	$ 50,329	$ 53,671	$ 51,038	61,441	$ 56,116	$ 63,821	$ 60,172	209,685	[1]	241,550	[2]	247,134	[3]
Long-lived assets	$ 50,534				$ 54,572				$ 50,534		$ 54,572		$ 62,330

[1] Excludes $8,259 of North American segment sales to the International segment and $9,282 sales of the International segment to the North American segment.

[2] Excludes $12,276 of North American segment sales to the International segment and $9,842 sales of the International segment to the North American segment.

[3] Excludes $17,692 of North American segment sales to the International segment and $8,585 sales of the International segment to the North American segment.