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Note 2 - Acquisitions Dispositions (Details) - Purchase Price Allocation - BGI (USD $) | Sep. 30, 2014 | Mar. 31, 2014 | Apr. 15, 2014 BGI [Member]
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Note 2 - Acquisitions Dispositions (Details) - Purchase Price Allocation - BGI [Line Items] |  |  |
Inventories, net |  |  | $ 1,268,000
Property, plant and equipment, net |  |  | 47,000
Intangibles, net |  |  | 5,711,000
Goodwill | 42,334,000 | 37,866,000 | 3,295,000
Accrued expenses |  |  | (53,000)
Total purchase price allocation |  |  | $ 10,268,000

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- Definition Amount of intangible assets, excluding goodwill, acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=39739317&loc=d3e4845-128472 + Details
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- Definition Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=39739317&loc=d3e4845-128472 + Details
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