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Recent Accounting Pronouncements
 12 Months Ended
Dec. 31, 2011
Recent Accounting Pronouncements [Abstract]  
Recent Accounting Pronouncements

2. Recent Accounting Pronouncements

     In May 2011, the FASB issued Accounting Standards Update ("ASU") No. 2011-04 -Fair Value Measurement (Topic 820): Amendments to Achieve Common Fair Value Measurement and Disclosure Requirements in U.S. GAAP and IFRS. The guidance clarifies the FASB's intent about the application of existing fair value measurement requirements and changes particular principles or requirements for measuring fair value or for disclosing information about fair value measurements. This guidance is effective during interim and annual periods beginning after December 15, 2011. Early adoption was not permitted. The Company does not believe the changes have a material impact on its results of operations or financial position.

     In December 2011, the FASB issued ASU No. 2011-11 Balance Sheet (Topic 210), Disclosures about Offsetting Assets and Liabilities. This guidance requires entities to disclose both gross information and net information about both instruments and transactions eligible for offset in the statement of financial position and instruments and transaction subject to an agreement similar to a master netting arrangements. This guidance is effecting for annual reporting periods beginning on or after January 1, 2013 and interim periods within those annual periods. We are currently evaluating the impact of the change and will make the necessary disclosures when required by the guidance.