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NONCONTROLLING INTEREST (Narrative) (Details)	0 Months Ended		1 Months Ended					1 Months Ended
	Jun. 15, 2013 Erdos Metallurgy [Member] USD ($)	Jun. 15, 2013 Erdos Metallurgy [Member] CNY	Jul. 31, 2013 Erdos Metallurgy [Member] USD ($)	Jul. 31, 2013 Erdos Metallurgy [Member] CNY	Aug. 31, 2013 Erdos Metallurgy [Member] Noncontrolling Interest [Member] USD ($)	Jun. 15, 2013 ErdosTCH [Member] USD ($)	Jun. 15, 2013 ErdosTCH [Member] CNY	Jul. 31, 2013 Xi'an TCH [Member]	Jul. 15, 2013 Xi'an TCH [Member] USD ($)	Jul. 15, 2013 Xi'an TCH [Member] CNY	Jul. 15, 2013 Investment Center [Member]	Jun. 15, 2013 Erdos Tch Energy Saving Development Co Ltd [Member] USD ($)	Jun. 15, 2013 Erdos Tch Energy Saving Development Co Ltd [Member] CNY	Jun. 15, 2013 Xian Tch Energy Tech Co Ltd [Member] USD ($)	Jun. 15, 2013 Xian Tch Energy Tech Co Ltd [Member] CNY
Noncontrolling Interest [Line Items]
Total registered capital						$ 17,550,000creg_RegisteredCapital / dei_LegalEntityAxis = creg_ErdostchMember	120,000,000creg_RegisteredCapital / dei_LegalEntityAxis = creg_ErdostchMember
Profit distribution percentage	20.00%creg_PercentageShareOfGainLossFromJointVenture / dei_LegalEntityAxis = creg_ErdosMetallurgyMember	20.00%creg_PercentageShareOfGainLossFromJointVenture / dei_LegalEntityAxis = creg_ErdosMetallurgyMember			20.00%creg_PercentageShareOfGainLossFromJointVenture / dei_LegalEntityAxis = creg_ErdosMetallurgyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
Contributed in capital												1,290,000creg_ContributedCapital / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = creg_ErdosTchEnergySavingDevelopmentCoLtdMember	8,000,000creg_ContributedCapital / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = creg_ErdosTchEnergySavingDevelopmentCoLtdMember	16,370,000creg_ContributedCapital / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = creg_XianTchEnergyTechCoLtdMember	112,000,000creg_ContributedCapital / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = creg_XianTchEnergyTechCoLtdMember
Minority interest decrease from redemptions	1,290,000us-gaap_MinorityInterestDecreaseFromRedemptions / dei_LegalEntityAxis = creg_ErdosMetallurgyMember	8,000,000us-gaap_MinorityInterestDecreaseFromRedemptions / dei_LegalEntityAxis = creg_ErdosMetallurgyMember	1,290,000us-gaap_MinorityInterestDecreaseFromRedemptions / dei_LegalEntityAxis = creg_ErdosMetallurgyMember	8,000,000us-gaap_MinorityInterestDecreaseFromRedemptions / dei_LegalEntityAxis = creg_ErdosMetallurgyMember
Minority interest ownership percentage by noncontrolling owners						7.00%us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners / dei_LegalEntityAxis = creg_ErdostchMember	7.00%us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners / dei_LegalEntityAxis = creg_ErdostchMember
Retained earnings accumulated deficit					226,000us-gaap_RetainedEarningsAccumulatedDeficit / dei_LegalEntityAxis = creg_ErdosMetallurgyMember / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
Capital									4,880,000us-gaap_Capital / dei_LegalEntityAxis = creg_XiantChenergyTechColtdMemberMember	30,000,000us-gaap_Capital / dei_LegalEntityAxis = creg_XiantChenergyTechColtdMemberMember
Equity Method Investments									$ 4,370,000us-gaap_EquityMethodInvestments / dei_LegalEntityAxis = creg_XiantChenergyTechColtdMemberMember	27,000,000us-gaap_EquityMethodInvestments / dei_LegalEntityAxis = creg_XiantChenergyTechColtdMemberMember
Equity Method Investment, Ownership Percentage						100.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / dei_LegalEntityAxis = creg_ErdostchMember	100.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / dei_LegalEntityAxis = creg_ErdostchMember		90.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / dei_LegalEntityAxis = creg_XiantChenergyTechColtdMemberMember	90.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / dei_LegalEntityAxis = creg_XiantChenergyTechColtdMemberMember	10.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / dei_LegalEntityAxis = creg_InvestmentCenterMember
Indirect Ownership Percentage Details								HYREF Fund was 16.3% owned by Xian TCH and 1.1% owned by the Fund Management Company, and the Fund Management Company was 40% owned by Xian TCH as described in Note 12, which resulted in an additional indirect ownership of Xian TCH in Zhonghong of 1.7%
Noncontrolling Interest, Ownership Percentage by Parent											8.30%us-gaap_MinorityInterestOwnershipPercentageByParent / dei_LegalEntityAxis = creg_InvestmentCenterMember

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