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Debt Facilities Schedules (Details) - Heron Lake Bio-energy LLC [Member]
Jan. 31, 2016
USD ($)
Debt Instrument [Line Items]  
Long-term Debt, Maturities, Repayments of Principal in Next Rolling Twelve Months $ 584,674
Long-term Debt, Maturities, Repayments of Principal in Rolling Year Two 462,086
Long-term Debt, Maturities, Repayments of Principal in Rolling Year Three 333,015
Long-term Debt, Maturities, Repayments of Principal in Rolling Year Four 307,709
Long-term Debt, Maturities, Repayments of Principal in Rolling Year Five 326,798
Long-term Debt, Maturities, Repayments of Principal in Rolling Year Five 6,107,198
Long-term Debt $ 8,121,480