Quarterly report pursuant to Section 13 or 15(d)

Mogas Acquisition - Assets and Liabilities Assumed (Details)

v2.4.1.9
Mogas Acquisition - Assets and Liabilities Assumed (Details) (USD $)
Mar. 31, 2015
Dec. 31, 2014
Business Acquisition [Line Items]    
Goodwill $ 1,718,868us-gaap_Goodwill $ 1,718,868us-gaap_Goodwill
Mogas [Member]    
Business Acquisition [Line Items]    
Leased Property: 1,398,000corr_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedLeasedProperty
/ us-gaap_BusinessAcquisitionAxis
= corr_MogasMember
 
Property and Equipment: 119,503,132us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
/ us-gaap_BusinessAcquisitionAxis
= corr_MogasMember
 
Goodwill 1,718,868us-gaap_Goodwill
/ us-gaap_BusinessAcquisitionAxis
= corr_MogasMember
 
Cash and cash equivalents 4,098,274us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents
/ us-gaap_BusinessAcquisitionAxis
= corr_MogasMember
 
Accounts receivable 1,357,905us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables
/ us-gaap_BusinessAcquisitionAxis
= corr_MogasMember
 
Prepaid assets 125,485us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets
/ us-gaap_BusinessAcquisitionAxis
= corr_MogasMember
 
Accounts payable and other accrued liabilities (3,781,664)us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable
/ us-gaap_BusinessAcquisitionAxis
= corr_MogasMember
 
Net assets acquired 125,000,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet
/ us-gaap_BusinessAcquisitionAxis
= corr_MogasMember
 
Land [Member] | Mogas [Member]    
Business Acquisition [Line Items]    
Leased Property: 210,000corr_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedLeasedProperty
/ us-gaap_BusinessAcquisitionAxis
= corr_MogasMember
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LandMember
 
Property and Equipment: 580,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
/ us-gaap_BusinessAcquisitionAxis
= corr_MogasMember
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LandMember
 
Building Improvements [Member] | Mogas [Member]    
Business Acquisition [Line Items]    
Leased Property: 1,188,000corr_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedLeasedProperty
/ us-gaap_BusinessAcquisitionAxis
= corr_MogasMember
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_BuildingImprovementsMember
 
Natural Gas Pipeline [Member] | Mogas [Member]    
Business Acquisition [Line Items]    
Property and Equipment: 119,081,732us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
/ us-gaap_BusinessAcquisitionAxis
= corr_MogasMember
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= corr_NaturalGasPipelineMember
 
Vehicles and Trailers [Member] | Mogas [Member]    
Business Acquisition [Line Items]    
Property and Equipment: 378,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
/ us-gaap_BusinessAcquisitionAxis
= corr_MogasMember
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= corr_VehiclesandTrailersMember
 
Office Equipment [Member] | Mogas [Member]    
Business Acquisition [Line Items]    
Property and Equipment: $ 43,400us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
/ us-gaap_BusinessAcquisitionAxis
= corr_MogasMember
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_OfficeEquipmentMember