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Loan and Security Agreement	3 Months Ended
Mar. 31, 2013
Loan and Security Agreement [Abstract]
Loan and Security Agreement	4. Loan and Security Agreement At December 31, 2012, we were a party to a loan and security agreement, as amended, with Silicon Valley Bank, or SVB, providing us with access to up to $15.0 million of financing in the form of revolving loans, letters of credit, foreign exchange contracts and cash management services. The Loan Agreement expired on March 29, 2013. As of December 31, 2012, $3.4 million was outstanding under the loan agreement. This amount was subsequently paid in full in January, 2013.

Loan and Security Agreement

3 Months Ended

Mar. 31, 2013

Loan and Security Agreement [Abstract]

4. Loan and Security Agreement

At December 31, 2012, we were a party to a loan and security agreement, as amended, with Silicon Valley Bank, or SVB, providing us with access to up to $15.0 million of financing in the form of revolving loans, letters of credit, foreign exchange contracts and cash management services. The Loan Agreement expired on March 29, 2013. As of December 31, 2012, $3.4 million was outstanding under the loan agreement. This amount was subsequently paid in full in January, 2013.