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DERIVATIVE FINANCIAL INSTRUMENTS (Details) bu in Millions	3 Months Ended	12 Months Ended
	Apr. 30, 2018 USD ($) bu	Jan. 31, 2018 USD ($) bu
DERIVATIVE FINANCIAL INSTRUMENTS (Details) [Line Items]
Debt Instrument, Collateral Amount	$ 896,000
Derivative, Loss on Derivative	565,000
Derivative, Gain on Derivative	$ 44,000	$ 124,000
Corn [Member]
DERIVATIVE FINANCIAL INSTRUMENTS (Details) [Line Items]
Forward Purchase Contracts, Quantity | bu	22.6	11.7
Corn [Member] | Short/Sell [Member]
DERIVATIVE FINANCIAL INSTRUMENTS (Details) [Line Items]
Commodity Futures, Quantity | bu	6.2	2.5

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