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v2.4.1.9

COMMITMENTS (Narrative) (Details) (USD $) | 1 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2014 | Mar. 04, 2014 | Dec. 31, 2014 | Dec. 31, 2013
Loss Contingencies [Line Items] |  |  |  |
Operating Lease Term | 3 years | 3 years |  |
Operating lease expiry date | Mar. 22, 2016 |  |  |
Monthly rental payment | $ 3,800 us-gaap_PaymentsForRent |  |  |
Rental expense |  |  | 402,374 us-gaap_LeaseAndRentalExpense | 275,500 us-gaap_LeaseAndRentalExpense
Percentage increases in monthly rental payment | 5.00%creg_Percentageincreasesinmonthlyrentalpayment | 8.00%creg_Percentageincreasesinmonthlyrentalpayment |  |
Before March 4, 2014 |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Monthly rental payment |  |  | 18,000 us-gaap_PaymentsForRent / creg_RentalPaymentPeriodTypeAxis = creg_PreviousPeriodRentalPaymentMember |
After Mrch 4, 2014 |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Monthly rental payment |  |  | $ 19,440 us-gaap_PaymentsForRent / creg_RentalPaymentPeriodTypeAxis = creg_CurrentPeriodRentalPaymentMember |

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- Definition Operating Lease Term Years + References No definition available. + Details
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Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Percentage Increases in Monthly Rental Payment + References No definition available. + Details
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Namespace Prefix: | creg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Date which lease or group of leases is set to expire, in CCYY-MM-DD format. + References No definition available. + Details
Name: | us-gaap_LeaseExpirationDate1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: | us-gaap_
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- Definition Cash payments to lessor's for use of assets under operating leases. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | creg_RentalPaymentPeriodTypeAxis=creg_CurrentPeriodRentalPaymentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | creg_RentalPaymentPeriodTypeAxis=creg_PreviousPeriodRentalPaymentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |