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Note 13 - Subsequent Event (Details) (Subsequent Event [Member], USD $) | Jun. 25, 2013
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Subsequent Event [Member] |
Note 13 - Subsequent Event (Details) [Line Items] |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment | $ 3,172,000

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- Details
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Balance Type: | na
Period Type: | duration

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- Definition The amount of property, plant, and equipment recognized as of 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=6910749&loc=d3e4845-128472 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=25498275&loc=d3e2207-128464 + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant