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Commitments and Contingencies (Details Narrative) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Gain on BWI contingency $ 800HKNI_GainOnContingency  
Accrued environmental contingencies 3,165HKNI_DisposalGroupIncludingDiscontinuedOperationAccruedEnvironmentalLiabilitiesCurrent  
Office    
Operating lease payments during the period 215us-gaap_OperatingLeasesRentExpenseNet
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_BuildingMember		 209us-gaap_OperatingLeasesRentExpenseNet
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_BuildingMember
Site Lease    
Operating lease payments during the period 92us-gaap_OperatingLeasesRentExpenseNet
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LandMember		  
Capital Lease Equipment    
Capital lease payments during the period 378HKNI_RepaymentsOfLongTermCapitalLeaseObligationsPrincipalAndInterest
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_EquipmentMember		  
XPLOR Energy Litigation    
Estimate of possible loss 2,500us-gaap_LossContingencyEstimateOfPossibleLoss
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= HKNI_XPLOREnergyLitigationMember		  
Louisiana Limited Scope Audit    
Estimate of possible loss 351us-gaap_LossContingencyEstimateOfPossibleLoss
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= HKNI_LouisianaLimitedScopeAuditMember		  
Preliminary sales tax assessment 194HKNI_LeaseUseGasTaxAssessed
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= HKNI_LouisianaLimitedScopeAuditMember		  
Sales tax assessment interest and penalties 157HKNI_LeaseUseGasTaxExaminationInterestExpense
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= HKNI_LouisianaLimitedScopeAuditMember		  
Total sales tax assessment 351HKNI_TotalLeaseUseGasAssessment
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= HKNI_LouisianaLimitedScopeAuditMember		  
Point a la Hache Lawsit    
Lawsuit allegations

In the lawsuit, eight plaintiffs have sued 25 defendants, alleging that they own and/or use a certain 4,480 acres located in the Pointe a la Hache oil and gas field.

  
Point Au Fer Lawsit    
Lawsuit allegations

In the lawsuit, the plaintiffs have alleged that real property they own in Terrebonne Parish has been environmentally damaged as a result of oil and gas exploration activities of twenty different defendants.  The plaintiffs seek damages for testing and remediation of the property, property stigma, loss of use of land and lost profits, civil fruits for defendants trespass, land loss and subsidence, punitive or exemplary damages and attorney’s fees. Per Louisiana law, no actual dollar amount of damages has been alleged in the Petition. With specific regard to HKN, Inc., out of over one hundred wells identified in the Petition, HKN, Inc. only drilled one well, the MA Smythe Nelson #1, which was a dry hole. The MA Smythe Nelson #1 was drilled on June 2, 1980 and plugged and abandoned on July 12, 1980.

  
SLFPA-E Litigation    
Lawsuit allegations

Plaintiffs South Louisiana Flood Protection Authority—East (“SLFPA-E”) filed this lawsuit in Louisiana state court against over 90 oil and gas and pipeline companies. Generally the lawsuit alleges that activities by defendants—primarily but not exclusively the dredging of canals—have made it more difficult for the SLFPA-E to protect the New Orleans metropolitan area from flooding.

  
Main Pass Environmental Investigations - EPA    
Accrued environmental contingencies 3,100HKNI_DisposalGroupIncludingDiscontinuedOperationAccruedEnvironmentalLiabilitiesCurrent
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= HKNI_MainPassEnvironmentalInvestigationsMember		  
Main Pass Environmental Investigations - LDEQ    
Accrued environmental contingencies $ 65HKNI_DisposalGroupIncludingDiscontinuedOperationAccruedEnvironmentalLiabilitiesCurrent
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= HKNI_MainPassEnvironmentalInvestigationsAMember