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COMMITMENTS AND CONTINGENCIES (Details) - USD ($)
12 Months Ended
Jan. 01, 2018
Dec. 31, 2017
Annual contractual payments to Cargill for procurement of corn $ 60,000 $ 70,000
Progold Limited Liability Company    
Ownership percentage remaining for purchase under Consent Agreement 1.00%  
Portion of costs that have not been paid and the Cooperative would be required to pay 1.00%  
Co Venturer | Progold Limited Liability Company    
Ownership percentage available to be purchased under Consent Agreement 50.00% 50.00%
Number of years interest is available for purchase 4 years  
Minimum | Progold Limited Liability Company    
Purchase price $ 1,300,000  
Maximum | Progold Limited Liability Company    
Purchase price $ 1,700,000