Debt Facilities Long Term Debt (Tables)

12 Months Ended

Oct. 31, 2014

Debt Disclosure [Abstract]

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

Long-term debt consists of the following:

	October 31, 2014		October 31, 2013
GRANITE FALLS ENERGY:
Capital One Shuttlewagon Railcar Mover. This debt was paid in full January 2014.	$	—	$	382,918
Revolving Term Loan	—		2,513,674
HERON LAKE BIOENERGY:
Term note payable to lending institution (including premium of approximately $1,700,000)	—		18,317,800
Revolving term note payable to lending institution (2013 includes premium of approximately $283,000)	—		6,263,158
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 .	2,018,767		2,246,771
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.	102,074		152,698
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.	172,072		205,209
Note payable to electrical company with monthly payments of $6,250 with a 1% maintenance fee due each October, due September 2017. The electrical company is a member of the Company.	218,750		293,750
Note payable to a lending institution for the construction of the pipeline assets with a maturity in December 2016. Interest is at 5.29% and the note is secured by substantially all assets of Agrinatural.	—		1,013,132
Note payable to noncontrolling interest member of Agrinatural. Interest rate is at One-Month LIBOR plus 4.0%, with an initial maturity date of October 2014, and then due on demand thereafter.	300,000		300,000
Equipment payable on corn oil separation equipment from a vendor. The Company pays approximately $40,000 per month conditioned upon revenue generated from the corn oil equipment. The monthly payment includes implicit interest of 5.57% until maturity in May 2015 and the note is secured by the equipment.	146,984		640,653
Subordinated Convertible Debt, see terms above.	—		4,143,000
Totals	2,958,647		36,472,763
Less amounts due within one year	846,235		3,490,808
Net long-term debt	$	2,112,412	$	32,981,955

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

Estimated maturities of long-term debt at October 31, 2014 are as follows: 

2015	$	846,235
2016	418,011
2017	380,064
2018	332,182
2019	319,596
After 2019	662,559
Total long-term debt	$	2,958,647