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Long-term Obligations | 12 Months Ended
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Dec. 31, 2012
Long-term Obligations [Abstract] |
Long-term Obligations |
9. | Long-term Obligations
On September 9, 2011 we entered into a Second Amendment to the Amended and Restated Loan and Security Agreement (loan agreement) with General Electric Capital Corporation (GECC), Silicon Valley Bank (SVB) and Oxford Finance Corporation (together, the "Lenders"), pursuant to which the Lenders increased the prior term loan made to the Company to a principal amount of $25.0 million (Term Loan), subject to the terms and conditions set forth in the loan agreement. The Term Loan accrues interest at a fixed rate of 9.87% per annum. Pursuant to the loan agreement, we are required to make (i) twelve (12) equal consecutive monthly principal payments of $20,833 on the first day of each calendar month, commencing on October 1, 2011, (ii) twenty-nine (29) equal consecutive monthly principal payments of $825,000 on the first day of each calendar month, commencing on October 1, 2012, and (iii) one (1) final principal payment of $825,000 on March 1, 2015. In addition, the maturity date of the Term Loan has been extended until March 1, 2015, and at maturity of the Term Loan, the Company will make a final payment fee equal to 5% ($1,250,000) of the Term Loan. We may incur additional fees if we elect to prepay the Term Loan. In connection with the Term Loan, on September 9, 2011, we issued to the Lenders warrants to purchase up to an aggregate of 132,891 shares of our common stock at an exercise price of $3.01 per share. These warrants are immediately exercisable and will expire on September 9, 2018. The Term Loan amended the Amended and Restated Loan and Security Agreement, of which an aggregate balance of approximately $15.6 million remained outstanding along with a prorated final payment fee of $419,000. The net proceeds of the Term Loan, after payment of lender fees and expenses, were approximately $8.6 million. We accounted for this amendment as debt modification since the terms of the amended Term Loan and the Original Term Loan were not substantially different and as present value of cash flows of the modified instrument (using a net method of comparing the present value of cash flows related to the lowest common principal balance between the old and the new loans) was within 10% of the original debt instrument. Accordingly, the fees associated with the amended Term Loan of $300,000, final payment fee of $1,250,000, and the existing unamortized debt discount from the Original Term Loan of $332,000 will be amortized as an adjustment of interest expense over the term of the Amended Term Loan using the effective interest method. We allocated the aggregate proceeds of the Term Loan between the warrants and the debt obligations based on their relative fair values. The fair value of the warrants issued to the Lenders is calculated utilizing the Black-Scholes option pricing model. We are amortizing the relative fair value of the warrants as a discount of $267,000 over the term of the loan using the effective interest method, with an effective interest rate of 13.63%. If the maturity of the debt is accelerated due to an event of default, then the amortization would be accelerated. The Term Loan is collateralized by the tangible assets of the company, including a security interest in substantially all of its existing and after-acquired assets. Additional details relating to the above term loan that is outstanding as of December 31, 2012, are presented in the following table:
Origination Date |  | Original Loan Amount |  |  | Interest Rate |  |  | Current Monthly Payment* |  | Term |  | Remaining Principal (Face Value) |
September 2011 |  | $ | 25,000,000 |  |  |  | 9.87 | % |  | $ | 1,008,212 |  | 42 Months |  | $ | 22,275,000 |
________________________________________ * Current monthly payment is inclusive of interest and principal As of December 31, 2012, the future contractual principal and final fee payments on all of our debt and lease obligations are as follows:
Years Ending December 31, |  |  |
2013 |  | $ | 9,927,000 |
2014 |  |  | 9,922,000 |
2015 |  |  | 3,749,000 |
2016 |  |  | 6,000 |
Total |  | $ | 23,604,000 |
Reconciliation of Face Value to Book Value as of December 31, 2012 |  |  |
Total debt and lease obligations, including final payment fee (Face Value) |  | $ | 23,604,000 |
Less: Debt discount |  |  | (917,000 | )
Total: |  |  | 22,687,000 |
Less: Current portion |  |  | (9,784,000 | )
Long-term obligation |  | $ | 12,903,000 |
Our interest expense for the years ended December 31, 2012, 2011 and 2010 (most of which related to the loan entered into September 2011, June 2010 and October 2008 was $3,386,000, $2,784,000 and $2,052,000, respectively. Interest expense is calculated using the effective interest method, therefore it is inclusive of non-cash amortization in the amount of $930,000, $711,000 and $703,000, respectively, related to the amortization of the debt discount and capitalized loan fees.

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- Definition The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19,20,22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 20, 22 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 2, 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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