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Note 5 - Goodwill and Intangible Assets (Detail) - Composition of intangible assets (USD $) In Thousands, unless otherwise specified | Jul. 01, 2012 | Dec. 31, 2011
--- | --- | ---
Trademarks | $ 3,564 | $ 3,563
Total intangible assets | 12,843 | 12,822
Total intangible assets | 7,553 | 7,289
Total intangible assets | 5,290 | 5,533
Patented Technology [Member] |  |
Finite lived Intangibles, Gross Assets | 4,497 | 4,492
Finite lived Intangibles, Accumulated Amortization | 3,574 | 3,440
Finite lived Intangibles, Net | 923 | 1,052
Customer Relationships [Member] |  |
Finite lived Intangibles, Gross Assets | 4,003 | 3,993
Finite lived Intangibles, Accumulated Amortization | 3,260 | 3,143
Finite lived Intangibles, Net | 743 | 850
Distributor Relationships [Member] |  |
Finite lived Intangibles, Gross Assets | 382 | 378
Finite lived Intangibles, Accumulated Amortization | 322 | 310
Finite lived Intangibles, Net | 60 | 68
Noncompete Agreements [Member] |  |
Finite lived Intangibles, Gross Assets | 397 | 396
Finite lived Intangibles, Accumulated Amortization | $ 397 | $ 396

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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, before accumulated amortization and impairment charges. + References No definition available. + Details
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- Definition Carrying amount (original costs adjusted for previously recognized amortization and impairment) as of the balance sheet date for the rights acquired through registration of a trademark to gain or protect exclusive use of a business name, symbol or other device or style for a projected indefinite period of benefit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 + Details
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