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Recently Issued Accounting Pronouncements	3 Months Ended
Recently Issued Accounting Pronouncements	Mar. 31, 2012
Recently Issued Accounting Pronouncements [Abstract]
Description of New Accounting Pronouncements Adopted and Not yet Adopted [Text Block]	Recently Issued Accounting Pronouncements In December 2011, the FASB issued ASU 2011-11, which contains new disclosure requirements regarding the nature of an entity's rights of offset and related arrangements associated with its financial instruments and derivative instruments. The new disclosure requirements are effective for annual reporting periods beginning on or after January 1, 2013, and the interim periods therein; retrospective application is required. In December 2011, the FASB issued ASU 2011-10, which addresses whether the guidance on real estate sales applies to derecognition events involving subsidiaries that are in-substance real estate. For public entities, the ASU's amendments are effective prospectively for fiscal years and interim periods within those years beginning on or after June 15, 2012. Early adoption is permitted. The Company is still in the process of assessing the expected impact of ASU 2011-10 when adopted.