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ACCRUED LIABILITIES AND OTHER PAYABLES (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013
Accounts Payable and Accrued Liabilities [Line Items]
Accrued liabilities and other payables	$ 3,250,744creg_AccruedExpensesAndOtherCurrentLiabilities	$ 1,517,191creg_AccruedExpensesAndOtherCurrentLiabilities
Employee training, labor union expenditure and social insurance [Member]
Accounts Payable and Accrued Liabilities [Line Items]
Accrued liabilities and other payables	693,969creg_AccruedExpensesAndOtherCurrentLiabilities / us-gaap_InformationByFinancialStatementLineItemAxis = creg_OtherEmployeeBenefitsAccrualsMember	521,373creg_AccruedExpensesAndOtherCurrentLiabilities / us-gaap_InformationByFinancialStatementLineItemAxis = creg_OtherEmployeeBenefitsAccrualsMember
Consulting, auditing, and legal expenses [Member]
Accounts Payable and Accrued Liabilities [Line Items]
Accrued liabilities and other payables	537,973creg_AccruedExpensesAndOtherCurrentLiabilities / us-gaap_InformationByFinancialStatementLineItemAxis = creg_LegalAndConsultingServicesMember	403,860creg_AccruedExpensesAndOtherCurrentLiabilities / us-gaap_InformationByFinancialStatementLineItemAxis = creg_LegalAndConsultingServicesMember
Accrued payroll and welfare [Member]
Accounts Payable and Accrued Liabilities [Line Items]
Accrued liabilities and other payables	304,512creg_AccruedExpensesAndOtherCurrentLiabilities / us-gaap_InformationByFinancialStatementLineItemAxis = creg_PayrollAndEmployeeBenefitsMember	318,871creg_AccruedExpensesAndOtherCurrentLiabilities / us-gaap_InformationByFinancialStatementLineItemAxis = creg_PayrollAndEmployeeBenefitsMember
Accrued system maintenance expense [Member]
Accounts Payable and Accrued Liabilities [Line Items]
Accrued liabilities and other payables	0creg_AccruedExpensesAndOtherCurrentLiabilities / us-gaap_InformationByFinancialStatementLineItemAxis = creg_MaintenanceAndSupportMember	49,205creg_AccruedExpensesAndOtherCurrentLiabilities / us-gaap_InformationByFinancialStatementLineItemAxis = creg_MaintenanceAndSupportMember
Accrued interest expense [Member]
Accounts Payable and Accrued Liabilities [Line Items]
Accrued liabilities and other payables	1,439,770creg_AccruedExpensesAndOtherCurrentLiabilities / us-gaap_InformationByFinancialStatementLineItemAxis = creg_AccruedInterestExpenseMember	71,902creg_AccruedExpensesAndOtherCurrentLiabilities / us-gaap_InformationByFinancialStatementLineItemAxis = creg_AccruedInterestExpenseMember
Other [Member]
Accounts Payable and Accrued Liabilities [Line Items]
Accrued liabilities and other payables	$ 274,520creg_AccruedExpensesAndOtherCurrentLiabilities / us-gaap_InformationByFinancialStatementLineItemAxis = creg_OtherAccruedExpenseMember	$ 151,980creg_AccruedExpensesAndOtherCurrentLiabilities / us-gaap_InformationByFinancialStatementLineItemAxis = creg_OtherAccruedExpenseMember

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