Note 17 - Financial Results for Reportable Segments (Details) - USD ($)		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
North American Segment [Member]
Revenue, Net										$ 130,108,000		$ 137,085,000		$ 129,287,000
Operating income										(8,311,000)		13,353,000		11,231,000
Asset impairment										(4,114,000)
Capital expenditures										5,040,000		3,449,000		3,116,000
Depreciation and amortization										4,537,000		5,604,000		5,948,000
Current assets	[1]	$ 33,787,000				$ 41,240,000				33,787,000		41,240,000		40,716,000
Long-lived assets	[2]	36,539,000				40,506,000				36,539,000		40,506,000		43,127,000
International Segment [Member]
Revenue, Net										79,577,000		104,465,000		117,847,000
Operating income										(3,117,000)		1,333,000		7,831,000
Asset impairment
Capital expenditures										3,200,000		2,251,000		5,720,000
Depreciation and amortization										2,677,000		3,113,000		3,410,000
Current assets	[1]	62,810,000				68,656,000				62,810,000		68,656,000		75,193,000
Long-lived assets	[2]	13,995,000				14,066,000				13,995,000		14,066,000		19,203,000
Unallocated [Member]
Revenue, Net
Operating income										(9,017,000)		(6,083,000)		(7,147,000)
Asset impairment
Capital expenditures
Depreciation and amortization
Current assets	[1]	24,314,000				23,517,000				24,314,000		23,517,000		30,993,000
Long-lived assets	[2]	30,153,000				24,287,000				30,153,000		24,287,000		22,211,000
Revenue, Net		54,647,000	$ 50,329,000	$ 53,671,000	$ 51,038,000	61,441,000	$ 56,116,000	$ 63,821,000	$ 60,172,000	209,685,000	[3]	241,550,000	[4]	247,134,000	[5]
Operating income										(20,445,000)		8,603,000		11,915,000
Asset impairment										(4,114,000)
Capital expenditures										8,240,000		5,700,000		8,836,000
Depreciation and amortization										7,214,000		8,717,000		9,358,000
Current assets	[1]	120,911,000				133,413,000				120,911,000		133,413,000		146,902,000
Long-lived assets	[2]	$ 80,687,000				$ 78,859,000				$ 80,687,000		$ 78,859,000		$ 84,541,000

[1] Current assets primarily consist of accounts receivable, inventories and prepaid expenses. Assets not allocated to the segments include cash and cash equivalents, deferred income taxes, and other non-current assets.

[2] Long lived assets consist of property, plant and equipment, goodwill, and other intangible assets. Long term deferred and other tax assets not allocated to the segments.

[3] 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.

[4] 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.

[5] 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.