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SHAREHOLDERS’ EQUITY (Narrative) (Details) |  | 1 Months Ended | 0 Months Ended | 1 Months Ended
--- | --- | --- | --- | ---
Jun. 28, 2014 USD ($) | Jun. 28, 2014 CNY | Jun. 28, 2014 Asset Transfer Agreement [Member] USD ($) | Sep. 05, 2014 Share Purchase Agreement [Member] Gouhua ku. [Member] USD ($) | Sep. 12, 2014 Share Purchase Agreement [Member] Gouhua ku. [Member] USD ($) | Sep. 12, 2014 Share Purchase Agreement [Member] Gouhua ku. [Member] CNY | Sep. 05, 2014 Share Purchase Agreement [Member] Gouhua ku. [Member] USD ($) | Sep. 05, 2014 Share Purchase Agreement [Member] Gouhua ku. [Member] CNY
Stockholders Equity Note [Line Items] |  |  |  |  |  |  |  |
Common Stock Issuable For Power Generation Systems | 8,233,779 creg_CommonStockIssuableForPowerGenerationSystems | 8,233,779 creg_CommonStockIssuableForPowerGenerationSystems |  |  |  |  |  |
Common Stock Issuable Per Share For Power Generation Systems | $ 2.27 creg_CommonStockIssuablePerShareForPowerGenerationSystems |  |  |  |  |  |  |
Payable For Power Generation Systems | $ 18,690,000 creg_PayableForPowerGenerationSystems | 115,000,000 creg_PayableForPowerGenerationSystems |  |  |  |  |  |
Sale of Stock, Consideration Received Per Transaction |  |  | 14,491,451 us-gaap_SaleOfStockConsiderationReceivedPerTransaction / creg_AgreementAxis = creg_AssetTransferAgreementMember |  |  |  |  |
Fair Value Of Share |  |  | $ 1.76 creg_FairValueOfShare / creg_AgreementAxis = creg_AssetTransferAgreementMember | $ 1.49 creg_FairValueOfShare / creg_AgreementAxis = creg_SharePurchaseAgreementMember / us-gaap_TitleOfIndividualAxis = creg_GouhuaKuMember |  |  | $ 1.49 creg_FairValueOfShare / creg_AgreementAxis = creg_SharePurchaseAgreementMember / us-gaap_TitleOfIndividualAxis = creg_GouhuaKuMember |
Debt Instrument, Description of Variable Rate Basis |  |  |  |  |  |  | The purchase price per share for the Shares shall be the average closing price quoted on the NASDAQ Global Market for the common stock of the Company for 15 trading days prior to the effective date of the Agreement, which was $1.37 per share. | The purchase price per share for the Shares shall be the average closing price quoted on the NASDAQ Global Market for the common stock of the Company for 15 trading days prior to the effective date of the Agreement, which was $1.37 per share.
Proceeds from Issuance of Common Stock |  |  |  |  | $ 6,910,000 us-gaap_ProceedsFromIssuanceOfCommonStock / creg_AgreementAxis = creg_SharePurchaseAgreementMember / us-gaap_TitleOfIndividualAxis = creg_GouhuaKuMember | 42,850,000 us-gaap_ProceedsFromIssuanceOfCommonStock / creg_AgreementAxis = creg_SharePurchaseAgreementMember / us-gaap_TitleOfIndividualAxis = creg_GouhuaKuMember | $ 12,000,000 us-gaap_ProceedsFromIssuanceOfCommonStock / creg_AgreementAxis = creg_SharePurchaseAgreementMember / us-gaap_TitleOfIndividualAxis = creg_GouhuaKuMember | 74,050,000 us-gaap_ProceedsFromIssuanceOfCommonStock / creg_AgreementAxis = creg_SharePurchaseAgreementMember / us-gaap_TitleOfIndividualAxis = creg_GouhuaKuMember
Stock Issued During Period, Shares, New Issues |  |  |  | 13,829,074 us-gaap_StockIssuedDuringPeriodSharesNewIssues / creg_AgreementAxis = creg_SharePurchaseAgreementMember / us-gaap_TitleOfIndividualAxis = creg_GouhuaKuMember |  |  |  |

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- Definition Common Stock Issuable For Power Generation Systems + References No definition available. + Details
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- Definition Common Stock Issuable Per Share For Power Generation Systems + References No definition available. + Details
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- Details
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