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Note 2 - Recent Accounting Pronouncements | 9 Months Ended
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Sep. 30, 2013
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Description of New Accounting Pronouncements Not yet Adopted [Text Block] | 2. Recent Accounting Pronouncements There have been no recent accounting pronouncements or changes in accounting pronouncements during the nine months ended September 30, 2013, as compared to the recent accounting pronouncements described in our Annual Report on Form 10-K for the fiscal year ended December 31, 2012, which we expect to have a material impact on our financial statements.

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- Definition The entire disclosure for a new accounting pronouncement that has been issued but not yet adopted. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section S99 -Paragraph 5 -Subparagraph (SAB TOPIC 11.M) -URI http://asc.fasb.org/extlink&oid=26874127&loc=d3e31137-122693 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 11 -Section M + Details
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