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TERM LOAN (Details) (USD $) |  | 12 Months Ended | 1 Months Ended | 12 Months Ended |  |  | 1 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2012 | Dec. 31, 2012 MidCap | Dec. 31, 2011 MidCap | Mar. 31, 2012 Term Loan | Sep. 30, 2011 Term Loan | Dec. 31, 2012 Term Loan item | Mar. 31, 2011 Term Loan | Dec. 31, 2012 Term Loan Minimum | Dec. 31, 2010 Term Loan MidCap | Mar. 31, 2011 Term Loan GECC
Term Loan |  |  |  |  |  |  |  |  |  |
Amount borrowed |  |  |  |  |  |  |  |  | $ 10,000,000 | $ 5,000,000
Amount owed under the term loan | 11,300,000 |  |  |  |  |  | 15,000,000 |  |  |
Basis of interest rate |  |  |  |  |  | LIBOR |  |  |  |
Interest rate margin (as a percent) |  |  |  |  |  | 6.25% |  |  |  |
Fixed annual interest rate (as a percent) |  |  |  |  |  |  |  | 9.50% |  |
Extension of interest-only period |  |  |  |  | 6 months |  |  |  |  |
Upfront fee due upon repayment of the Term Loan in full |  |  |  | 25,000 |  |  |  |  |  |
Additional Final Payment Fee due upon repayment of the Term Loan in full |  |  |  | 37,500 |  |  |  |  |  |
Number of equal consecutive monthly installments |  |  |  |  |  | 34 |  |  |  |
Rate of prepayment premium in year three (as a percent) |  |  |  |  |  | 1.00% |  |  |  |
Original Payment Fee payable upon repayment of term loan in full |  |  |  |  |  | 500,000 |  |  |  |
Interest expense on the term loan |  | 1,500,000 | 1,600,000 |  |  |  |  |  |  |
Obligations to repay principal amounts for the term loan (including Payment Fee) |  |  |  |  |  |  |  |  |  |
2013 |  | 5,700,000 |  |  |  |  |  |  |  |
2014 |  | $ 5,800,000 |  |  |  |  |  |  |  |

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- Definition Represents the additional fee due upon repayment of the Term Loan for the extension of the maturity period of debt. + References No definition available. + Details
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- Definition Represents the percentage of prepayment premium of the Term Loan to be paid in year three. + References No definition available. + Details
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- Definition The period of extension of interest-only period which was extended through exercise of an option for extension by the entity during the reporting period. + References No definition available. + Details
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