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Subsequent Events	9 Months Ended
Sep. 30, 2011
Subsequent Events [Abstract]
Subsequent Events	NOTE 17. Subsequent Events We perform review procedures for subsequent events, and determine any necessary disclosures that arise from such evaluation, up to the date of issuance of our annual and interim reports.

Subsequent Events

9 Months Ended

Sep. 30, 2011

NOTE 17. Subsequent Events

We perform review procedures for subsequent events, and determine any necessary disclosures that arise from such evaluation, up to the date of issuance of our annual and interim reports.