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COMMITMENTS AND CONTINGENCIES. (Details Narrative) - USD ($) $ in Thousands |  |  | 12 Months Ended
--- | --- | --- | ---
Dec. 29, 2016 | Feb. 27, 2015 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Rent expense |  |  | $ 16,572 | $ 16,253 | $ 10,476
Capital improvement commitments |  |  | 4,100 |  |
Gain on litigation settlement |  |  | 3,600 |  |
Proceeds from legal settlement |  |  | 3,900 |  |
Solar Project [Member] |  |  |  |  |
Capital improvement commitments |  |  | 10,000 |  |
Capital expenditures |  |  | 7,700 |  |
Additional property tax payments |  |  | $ 900 |  |
property tax rate |  |  | 5.60% |  |
Western Sugar Contract [Member] |  |  |  |  |
Litigation reserve |  |  |  | 2,800 |
Gain on litigation settlement |  |  |  | $ 1,100 |
Settlement cliam | $ 1,700 |  |  |  |
Amount of expectation damages |  | $ 8,600 |  |  |
Corn contract [Member] |  |  |  |  |
Purchase commitments |  |  | $ 21,134 |  |
Ethanol contracts [Member] |  |  |  |  |
Sales commitments |  |  | $ 90,389 |  |
Indexed-price contracts to sell |  |  | 310,289,000 gallons |  |
Purchase commitments |  |  | $ 8,932 |  |
Indexed-price purchase contracts |  |  | 16,149,000 gallons |  |
Co-product contracts [Member] |  |  |  |  |
Sales commitments |  |  | $ 35,600 |  |

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