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5. Notes Payable (Details Narrative) (USD $) In Thousands, unless otherwise specified |  |  |  |  | 3 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 31, 2014 | Dec. 31, 2013 | Mar. 31, 2013 | Mar. 31, 2014 Third Eye Capital Notes | Mar. 31, 2014 Revolving Credit Facility | Mar. 31, 2014 Revenue Participation Term Notes | Mar. 31, 2014 Acquisition Term Notes | Mar. 31, 2014 Cilion shareholder Seller note payable | Mar. 31, 2014 State Bank of India loan | Dec. 31, 2013 State Bank of India loan | Mar. 31, 2014 Subordinated Notes | Dec. 31, 2013 Subordinated Notes | Mar. 31, 2014 EB-5 long-term promissory notes
Outstanding amount of loan | $ 75,900 |  |  | $ 7,300 | $ 31,600 | $ 9,900 | $ 17,600 | $ 5,100 | $ 3,100 | $ 3,200 | $ 5,000 | $ 5,300 |
Unamortized fair value discounts |  |  |  | 200 |  | 500 | 400 | 200 |  |  | 200 | 300 |
Debt issuance costs |  |  |  |  | 900 |  |  |  |  |  |  |  |
Accrued interest |  |  |  |  |  |  |  |  | 3,000 | 2,700 |  |  | 21
Principal payments to Secunderabad | 1,500 |  | 1,100 |  |  |  |  |  |  |  |  |  |
Interest costs | 51 |  | 100 |  |  |  |  |  |  |  |  |  |
Outstanding amount of Secunderabad | 1,000 | 1,900 |  |  |  |  |  |  |  |  |  |  |
Other long term liabilities | 300 |  |  |  |  |  |  |  |  |  |  |  |
Other current liabilities | 90 |  |  |  |  |  |  |  |  |  |  |  |
Short term debt | $ 47 |  |  |  |  |  |  |  |  |  |  |  |

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