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Subsequent Events	12 Months Ended
Dec. 31, 2012
Subsequent Events	15. Subsequent Events We evaluate events and transactions that occur after the balance sheet date as potential subsequent events that may require disclosure and/or adjustment of the financial statements as of the balance sheet date. We have completed this evaluation of all events through the issuance date of these financial statements and have determined that no subsequent matter requires disclosure.

Subsequent Events

12 Months Ended

Dec. 31, 2012

15. Subsequent Events

We evaluate events and transactions that occur after the balance sheet date as potential subsequent events that may require disclosure and/or adjustment of the financial statements as of the balance sheet date. We have completed this evaluation of all events through the issuance date of these financial statements and have determined that no subsequent matter requires disclosure.