Debt instrument, maturity in years

No definition available.

Name:	creg_DebtInstrumentMaturityInYears
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- Definition

he first percentage of repayment of principal under the trust plan.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

The third percentage of repayment of principal under the trust plan.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The second percentage of repayment of principal under the trust plan.

+ References

No definition available.

+ Details

Name:	creg_DebtInstrumentRepaymentOfPrincipalPercentageTwo
Namespace Prefix:	creg_
Data Type:	num:percentItemType
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Period Type:	duration

- Definition

Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 20

-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 9

+ Details

Name:	us-gaap_DebtInstrumentCarryingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of cash paid during the current period for interest that is capitalized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 13

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3213-108585

+ Details

Name:	us-gaap_InterestPaidCapitalized
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer.

+ References

+ Details

Name:	us-gaap_LiabilitiesCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of obligation due after one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22-26)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22, 23, 24, 25, 26, 27

-Article 5

+ Details

Name:	us-gaap_LiabilitiesNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_DebtInstrumentAxis=creg_TrustLoanAgreementWithZhongrongInternationalTrustCoLtdOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=creg_ZhongtaiMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=creg_TrustLoanAgreementWithZhongrongInternationalTrustCoLtdTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=creg_RongfengMember
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LOANS PAYABLE (Trust Loan - Zhongrong International Trust - Xuzhou Zhongtai and Tangshan Rongfeng) (Narrative) (Details) ¥ in Millions	9 Months Ended
	Sep. 30, 2015 USD ($)	Dec. 31, 2014 USD ($)	Feb. 17, 2014 USD ($)	Feb. 17, 2014 CNY (¥)
Debt Instrument [Line Items]
Liabilities, Current, Total	$ 62,567,918	$ 26,661,308
Liabilities, Noncurrent, Total	65,979,016	$ 140,496,523
Trust Loan Agreement With Zhongrong International Trust Co Ltd One [Member]
Debt Instrument [Line Items]
Interest Paid, Capitalized	$ 3,940,000
Debt Instrument Maturity In Years	4 years
Trust Loan Agreement With Zhongrong International Trust Co Ltd One [Member] \| Zhongtai [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount			$ 24,500,000	¥ 150
Long-term Debt, Gross	$ 15,660,000
Debt Instrument Repayment Of Principal Percentage One	30.00%
Debt Instrument Repayment Of Principal Percentage Two	30.00%
Debt Instrument Repayment Of Principal Percentage Three	40.00%
Trust Loan Agreement With Zhongrong International Trust Co Ltd Two [Member] \| Rongfeng [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount			$ 22,100,000	¥ 135
Long-term Debt, Gross	$ 21,080,000
Debt Instrument Repayment Of Principal Percentage One	30.00%
Debt Instrument Repayment Of Principal Percentage Two	30.00%
Debt Instrument Repayment Of Principal Percentage Three	40.00%
Liabilities, Current, Total	$ 3,070,000
Liabilities, Noncurrent, Total	$ 18,010,000