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5. Notes Payable (Details) (USD $) In Thousands, unless otherwise specified | Jun. 30, 2014 | Dec. 31, 2013
--- | --- | ---
Total revenues |  |
Third Eye Capital term note | $ 7,304 | $ 7,193
Third Eye Capital revolving credit facility | 23,610 | 38,349
Third Eye Capital revenue participation term note | 10,048 | 9,465
Third Eye Capital acquisition term note | 17,512 | 17,280
Cilion shareholder Seller note payable | 5,298 | 4,869
State Bank of India secured term loan | 5,934 | 5,857
Subordinated notes | 5,108 | 5,317
EB-5 long term promissory notes | 1,529 | 1,037
Unsecured working capital loans and short-term notes | 1,104 | 2,391
Total debt | 77,447 | 91,758
Less current portion of debt | 12,146 | 17,966
Total long term debt | $ 65,301 | $ 73,792

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