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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	$ 3,800us-gaap_PaymentsForRent
Rental expense			402,374us-gaap_LeaseAndRentalExpense	275,500us-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			18,000us-gaap_PaymentsForRent / creg_RentalPaymentPeriodTypeAxis = creg_PreviousPeriodRentalPaymentMember
After Mrch 4, 2014
Loss Contingencies [Line Items]
Monthly rental payment			$ 19,440us-gaap_PaymentsForRent / creg_RentalPaymentPeriodTypeAxis = creg_CurrentPeriodRentalPaymentMember

X

- Definition

Operating Lease Term Years

+ References

No definition available.

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- Definition

Percentage Increases in Monthly Rental Payment

+ References

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X

- 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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X

- Definition

Date which lease or group of leases is set to expire, in CCYY-MM-DD format.

+ References

No definition available.

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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

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