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Subsequent Events	9 Months Ended
Subsequent Events	Sep. 30, 2011
Subsequent Events
Subsequent Events	14. Subsequent Events The Company entered into a non-binding term sheet on October 11, 2011 with an institutional investor to raise non-equity capital. The Company expects the capital raise to be completed by November 30, 2011, satisfying the Company's obligation under the Fourth Loan Modification Agreement with Silicon Valley Bank. The term sheet is subject to customary closing conditions, including the execution of definitive agreements. On October 31, 2011, the Company and its primary lender entered into a waiver agreement in which the lender waived testing the liquidity ratio financial covenant for the compliance period ending October 31, 2011.