Debt Facilities (Tables)

6 Months Ended

Apr. 30, 2017

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments [Table Text Block]

	April 30, 2017		October 31, 2016
	(unaudited)
GRANITE FALLS ENERGY:
Revolving term loan, see terms below.	$	—	$	—
Term note payable to Fagen Energy, see terms below.		—		—
HERON LAKE BIOENERGY:
Revolving term note payable to lending institution, see terms below.		—		—
Assessment payable as part of water treatment agreement, due in semi-annual installments of $189,393 with interest at 6.55%, enforceable by statutory lien, with the final payment due in 2021. HLBE made deposits for one years' worth of debt service payments of approximately $364,000, which is included with other assets that are held on deposit to be applied with the final payments of the assessment.		1,516,977		1,517,046
Assessment payable as part of water supply agreement, due in monthly installments of $3,942 with interest at 8.73%, enforceable by statutory lien, with the final payment due in 2019.		77,606		97,930
Note payable to electrical company with monthly payments of $6,250 with interest at 0.00% and a 1.00% maintenance fee due each October, due September 2017. The electrical company is a member of HLBE.		31,250		68,750
Note payable to non-controlling interest member of Agrinatural.  Interest is at One Month LIBOR plus 4.0%, which was approximately 5.00% and 4.53% at April 30, 2017 and October 31, 2016, respectively.  The note is considered due on demand with payments due at Agrinatural's Board of Managers' discretion.		100,000		200,000
Totals		1,725,833		1,883,726
Less: amounts due within one year		444,123		490,057
Net long-term debt	$	1,281,710	$	1,393,669

Schedule of Maturities of Long-term Debt [Table Text Block]

Estimated annual maturities of debt at April 30, 2017, are as follows based on the most recent debt agreements:

2018	$	444,123
2019		322,733
2020		306,706
2021		326,798
2022		325,473
Total debt	$	1,725,833