2.4.0.84020 - Disclosure - GOING CONCERN (Details)truefalsefalse1false USDfalsefalse$D2013Q3_M0517_ConvertibleSubordinatedDebtMemberhttp://www.sec.gov/CIK0001286964duration2013-05-16T00:00:002013-05-17T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2false USDfalsefalse$D2013Q3YTD_ConvertibleSubordinatedDebtMemberhttp://www.sec.gov/CIK0001286964duration2012-11-01T00:00:002013-07-31T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$1true 3hlb_GoingConcernDisclosureLineItemshlb_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0GOING CONCERN2false 4us-gaap_AdditionalPaidInCapitalus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2truefalsefalse69000006900000USD$falsetruefalsexbrli:monetaryItemTypemonetaryExcess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders. Includes adjustments to additional paid in capital. Some examples of such adjustments include recording the issuance of debt with a beneficial conversion feature and certain tax consequences of equity instruments awarded to employees. Use this element for the aggregate amount of additional paid-in capital associated with common and preferred stock. For additional paid-in capital associated with only common stock, use the element additional paid in capital, common stock. For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 31 -Article 5 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 210.5-02.30(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 false2Amount raised from additional equity3false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse2false USDtruefalse$D2013Q3_M0517_ConvertibleSubordinatedDebtMemberhttp://www.sec.gov/CIK0001286964duration2013-05-16T00:00:002013-05-17T00:00:00falsefalseConvertible secured debtus-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ConvertibleSubordinatedDebtMemberus-gaap_LongtermDebtTypeAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Convertible secured debt4true 3hlb_GoingConcernDisclosureLineItemshlb_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0GOING CONCERN5false 4hlb_AmountLoanedByEntitysBoardOfGovernorshlb_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse14000001400000USD$falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryRepresents the amount loaned by the entity's Board of Governors.No definition available.false2Amount loaned by the entity's Board of Governors, which was used to bring the previous AgStar loans up to date6false 4hlb_AmountToBeRaisedFromIssuanceOfDebthlb_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2truefalsefalse36710003671000USD$falsefalsefalsexbrli:monetaryItemTypemonetaryRepresents the amount to be raised from issuance of debt.No definition available.false2Amount to be raised from issuance of debt7false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse4false USDtruefalse$I2013Q3_RevolvingTermLoanMemberhttp://www.sec.gov/CIK0001286964instant2013-07-31T00:00:000001-01-01T00:00:00falsefalseRevolving Term Loanus-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldihlb_RevolvingTermLoanMemberus-gaap_LongtermDebtTypeAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Revolving Term Loan8true 3hlb_GoingConcernDisclosureLineItemshlb_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0GOING CONCERN9false 4hlb_AmountOfPaymentObligationOnLoanhlb_falsecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2truefalsefalse50000005000000USD$falsetruefalsexbrli:monetaryItemTypemonetaryRepresents the amount of payment obligation on loan.No definition available.false2Payment obligation on loanfalseGOING CONCERN (Details) (USD $)NoRoundingUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.heronlakebioenergy.com/role/DisclosureGoingConcernDetails29