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Note 7 - Goodwill and Other Intangible Assets (Details) - Other Intangible Assets - USD ($) $ in Thousands | Sep. 30, 2015 | Jun. 30, 2015
--- | --- | ---
Amortized Intangible Assets |  |
Amortized Intangible Assets, Gross | $ 22,052 | $ 22,052
Amortized Intangible Assets, Accumulated Amortization | 19,508 | 19,382
Amortized Intangible Assets, Net | 2,544 | 2,670
Indefinite-lived Intangible Assets |  |
Indefinite-lived Intangible Assets, Gross | 3,422 | 3,422
Indefinite-lived Intangible Assets, Net | 3,422 | 3,422
Intangible Assets, Gross | 25,474 | 25,474
Intangible Assets, Accumulated Amortization | 19,508 | 19,382
Intangible Assets, Net | 5,966 | 6,092
Trademarks and Trade Names [Member] |  |
Indefinite-lived Intangible Assets |  |
Indefinite-lived Intangible Assets, Gross | 3,422 | 3,422
Indefinite-lived Intangible Assets, Net | 3,422 | 3,422
Customer Relationships [Member] |  |
Amortized Intangible Assets |  |
Amortized Intangible Assets, Gross | 9,316 | 9,316
Amortized Intangible Assets, Accumulated Amortization | 7,363 | 7,290
Amortized Intangible Assets, Net | 1,953 | 2,026
Indefinite-lived Intangible Assets |  |
Intangible Assets, Accumulated Amortization | 7,363 | 7,290
Patents [Member] |  |
Amortized Intangible Assets |  |
Amortized Intangible Assets, Gross | 338 | 338
Amortized Intangible Assets, Accumulated Amortization | 128 | 120
Amortized Intangible Assets, Net | 210 | 218
Indefinite-lived Intangible Assets |  |
Intangible Assets, Accumulated Amortization | 128 | 120
Technology-Based Intangible Assets [Member] |  |
Amortized Intangible Assets |  |
Amortized Intangible Assets, Gross | 11,228 | 11,228
Amortized Intangible Assets, Accumulated Amortization | 10,930 | 10,910
Amortized Intangible Assets, Net | 298 | 318
Indefinite-lived Intangible Assets |  |
Intangible Assets, Accumulated Amortization | 10,930 | 10,910
Trade Names [Member] |  |
Amortized Intangible Assets |  |
Amortized Intangible Assets, Gross | 460 | 460
Amortized Intangible Assets, Accumulated Amortization | 460 | 460
Indefinite-lived Intangible Assets |  |
Intangible Assets, Accumulated Amortization | 460 | 460
Noncompete Agreements [Member] |  |
Amortized Intangible Assets |  |
Amortized Intangible Assets, Gross | 710 | 710
Amortized Intangible Assets, Accumulated Amortization | 627 | 602
Amortized Intangible Assets, Net | 83 | 108
Indefinite-lived Intangible Assets |  |
Intangible Assets, Accumulated Amortization | $ 627 | $ 602

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