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Recently Adopted Accounting Standards
 6 Months Ended
Jun. 30, 2013
Recently Adopted Accounting Standards [Abstract]  
New Accounting Pronouncements and Changes in Accounting Principles [Text Block]
Recently Adopted Accounting Standards
In July 2012, the Financial Accounting Standards Board ("FASB") issued new accounting guidance that permits an entity to first assess qualitative factors to determine whether it is more likely than not that an indefinite-lived intangible asset is impaired as a basis for determining whether it is necessary to perform a quantitative impairment test. An entity would continue to calculate the fair value of an indefinite-lived intangible asset if the asset fails the qualitative assessment, while no further analysis would be required if it passes. The provisions of the new guidance were effective as of the beginning of our 2013 fiscal year. We do not expect the new guidance to have an impact on our 2013 impairment test results.