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Note 13 - Recently Accounting Pronouncements | 12 Months Ended
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Dec. 31, 2012
Description of New Accounting Pronouncements Not yet Adopted [Text Block] | Note 13. Recent Accounting Pronouncements Effective January 1, 2012, Avalon adopted the FASB’s ASU No. 2011-04, Amendments to Achieve Common Fair Value Measurement and Disclosure Requirements in US GAAP and IFRSs, which amends ASC 820, Fair Value Measurement. This ASU requires the categorization by level for items that are required to be disclosed at fair value, information about transfers between Level 1 and Level 2 and additional disclosure for Level 3 measurements. In addition, the ASU provides guidance on measuring the fair value of financial instruments managed within a portfolio and the application of premiums and discounts on fair value measurements. The adoption of this accounting guidance did not have an impact on Avalon’s consolidated 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=6369664&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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