Quarterly report pursuant to Section 13 or 15(d)

Fair Value of Other Securities (Details)

v2.4.1.9
Fair Value of Other Securities (Details) (Level 2 [Member], USD $)
Dec. 31, 2014
Level 2 [Member]
 
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Financing Notes Receivable Fair Value Disclosure $ 20,687,962corr_FinancingNotesReceivableFairValueDisclosure
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= us-gaap_FairValueInputsLevel2Member