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Impact of Recent Accounting Pronouncements (Details Textual)
 3 Months Ended
Mar. 31, 2013
New Accounting Pronouncement or Change in Accounting Principle, Description In February 2013, the FASB issued ASU No. 2013-02, Comprehensive Income (Topic 220): Reporting of Amounts Reclassified Out of Accumulated Other Comprehensive Income. The amendments require an entity to present, either in the income statement or in the notes, significant amounts reclassified out of accumulated other comprehensive income by the respective line items of net income, but only if the amount reclassified is required under U.S. GAAP to be reclassified to net income in its entirety in the same reporting period. For other amounts that are not required under U.S. GAAP to be reclassified in their entirety, an entity is required to cross-reference to other disclosures that provide additional detail about those amounts. This ASU is effective for annual and interim periods beginning January 1, 2013. Adoption of ASU 2013-02 did not have a significant impact on the Company's consolidated financial statements.