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Reclassifications	9 Months Ended
Sep. 30, 2011
Reclassifications [Abstract]
Reclassifications	4. Reclassifications Certain reclassifications have been made to the September 30, 2010 statements of cash flows to conform to the September 30, 2011 presentation. These reclassifications had no impact on net income.

Reclassifications

9 Months Ended

Sep. 30, 2011

4. Reclassifications

Certain reclassifications have been made to the September 30, 2010 statements of cash flows to conform to the September 30, 2011 presentation. These reclassifications had no impact on net income.