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12. Agreements (Details) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012
Agreements Details |  |
Ethanol sales | $ 106,565,941 | $ 128,830,630
Distiller's Grains | 26,490,413 | 35,468,559
Corn Oil | 2,609,061 | 2,582,858
Corn purchases | 95,999,548 | 156,984,918
Grain Sorghum Purchases | 11,522,666 | 0
Accounts receivable | 641,147 | 394,784
Accounts payable | $ 2,227,828 | $ 2,650,013

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