2.4.0.81100 - Disclosure - COMMITMENTS AND CONTINGENCIEStruefalsefalse1false falsefalseD2013Q3YTDhttp://www.sec.gov/CIK0001286964duration2012-11-01T00:00:002013-07-31T00:00:001true 1us-gaap_CommitmentsAndContingenciesDisclosureAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0COMMITMENTS AND CONTINGENCIES2false 2us-gaap_CommitmentsAndContingenciesDisclosureTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<div style="font-size:10.0pt;font-family:Times New Roman;"> 10.                     COMMITMENTS AND CONTINGENCIES   Forward Contracts   The Company has natural gas agreements with a minimum purchase commitment of approximately 1.6 million MMBTU per year until October 31, 2014.   Management Services Agreement   On July 31, 2013, Project Viking, L.L.C. (“Project Viking”) held a controlling interest in the Company. On July 31, 2013, Project Viking sold its interest to Granite Falls Energy, LLC (“GFE”), which is now considered a related party. GFE operates an ethanol plant in the Midwest. The Company entered into a Management Services Agreement with GFE.  Under the Management Services Agreement, GFE agreed to supply its own personnel to act as part-time officers and managers of the Company for the positions of Chief Executive Officer, Chief Financial Officer, and Commodity Risk Manager.  The initial term of the Management Services Agreement is three years.  The Company agreed to pay GFE $35,000 per month for the first year of the Management Services Agreement.    During years two and three of the agreement, the Company agreed to pay GFE 50% of the total salary, bonuses, and other expenses and costs incurred by GFE for the three management positions.  At the expiration of the initial term, the agreement will automatically renew for successive one-year terms unless and until the Company or GFE gives the other party 90-days written notice of termination prior to expiration of the initial term or the start of a renewal term.   Termination of Marketer Agreement   On August 20, 2013, the Company gave notice to their marketer to terminate the agreements related to corn purchases as well as ethanol and distillers grains sales effective October 31, 2013.  During the fourth quarter of fiscal year 2013, the Company anticipates entering into a marketing agreement with a new marketer for the sale of ethanol and distillers grains. </div>falsefalsefalsenonnum:textBlockItemTypenaThe entire disclosure for commitments and contingencies.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Interpretation (FIN) -Number 14 -Paragraph 3 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.25) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6449706&loc=d3e16207-108621 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14435-108349 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 440 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6394976&loc=d3e25287-109308 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 5 -Paragraph 9, 10, 11, 12 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. false0COMMITMENTS AND CONTINGENCIESfalseCOMMITMENTS AND CONTINGENCIESUnKnownUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.heronlakebioenergy.com/role/DisclosureCommitmentsAndContingencies12