Debt Facilities Long Term Debt (Tables)

12 Months Ended

Oct. 31, 2015

Debt Disclosure [Abstract]

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

Long-term debt consists of the following:

	October 31, 2015		October 31, 2014
GRANITE FALLS ENERGY:
Revolving Term Loan	$	—	$	—
HERON LAKE BIOENERGY:
Revolving term note payable to lending institution, see terms above.	4,822,777		—
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. The Company 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.	1,775,828		2,018,767
Assessment payable as part of water treatment agreement, due in semi-annual installments of $25,692 with interest at 0.50%, enforceable by statutory lien, with the final payment due in 2016.	51,199		102,074
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.	136,378		172,072
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 the Company.	143,750		218,750
Note payable to non-controlling interest member of Agrinatural. Interest is at One Month LIBOR plus 4.0%. The note is considered due on demand with payments due at Agrinatural Board of Managers discretion.	300,000		300,000
Equipment payable on corn oil separation equipment from a vendor. The Company paid approximately $40,000 per month conditioned upon revenue generated from the corn oil equipment. The monthly payment included implicit interest of 5.57%. This note was paid in full in February 2015.	—		146,984
Totals	7,229,932		2,958,647
Less amounts due within one year	517,957		846,235
Net long-term debt	$	6,711,975	$	2,112,412

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

Estimated maturities of long-term debt at October 31, 2015 are as follows: 

2016	$	517,957
2017	480,064
2018	432,182
2019	319,376
2020	326,798
After 2020	5,153,555
Total debt	$	7,229,932