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4. Debt (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Total revenues
Third Eye Capital term notes	$ 6,832	$ 6,577
Third Eye Capital revolving credit facility	32,778	24,927
Third Eye Capital revenue participation term notes	11,473	11,042
Third Eye Capital acquisition term notes	19,782	19,085
Cilion shareholder Seller note payable	5,786	5,674
Subordinated notes	8,445	7,565
EB-5 long term promissory notes	35,822	35,027
Unsecured working capital loans	4,292	1,817
GAFI Term and Revolving loans	23,373	0
Total debt	148,583	111,714
Less current portion of debt	14,559	11,409
Total long term debt	$ 134,024	$ 100,305

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