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Note 12 - Segment Information - Financial Information Relating to Geographic Areas (Details) - USD ($) | 12 Months Ended
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Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2013
UNITED STATES |  |  |
External sales | $ 245,217,000 | $ 190,359,000 | $ 164,308,000
Europe [Member] |  |  |
External sales | 134,077,000 | 97,157,000 | 88,297,000
United States and Canada | 11,239,000 | 8,340,000 | 7,129,000
CHINA |  |  |
External sales | 26,105,000 | 18,878,000 | 14,106,000
United States and Canada | 1,286,000 | 678,000 | 117,000
Other Asia [Member] |  |  |
External sales | 23,806,000 | 32,704,000 | 28,608,000
Rest of World [Member] |  |  |
External sales | 23,041,000 | 18,665,000 | 15,256,000
United States and Canada [Member] |  |  |
United States and Canada | 119,075,000 | 109,790,000 | 103,541,000
External sales | 452,246,000 | 357,763,000 | 310,575,000
United States and Canada | $ 131,600,000 | $ 118,808,000 | $ 110,787,000

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- Definition Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e9038-108599 + Details
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- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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