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Notes Payable
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12 Months Ended |
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Dec. 31, 2011
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| Notes Payable [Abstract] | |
| Notes Payable |
NOTE 6—NOTES PAYABLE On March 27, 2003, the Company entered into a loan and security agreement with Silicon Valley Bank to borrow up to $1.0 million for working capital and equipment purchases. The Company borrowed the full amount under this facility as of December 2004 and as of December 31, 2007, all borrowings under this facility were paid in full. In April 2006, the Company amended the existing loan and security agreement to borrow up to an additional $4.0 million for working capital and equipment purchases. The interest rate for borrowings under this facility was determined based on the 36-month U.S. Treasury note plus 2.25% on the date of borrowing. The Company borrowed $2.6 million under this facility, which was repaid over a 36-month period from the date of borrowing. The interest rate on these borrowings was approximately 7.2% per annum. At June 30, 2009, all borrowings under this facility were paid in full. |