XML 15 R55.htm IDEA: XBRL DOCUMENT
v2.4.0.6

LOANS PAYABLE (Collective Capital Trust Plan) (Narrative) (Details) (Capital Trust Loan Agreement [Member]) | 3 Months Ended |  |  | 3 Months Ended | 0 Months Ended | 3 Months Ended | 0 Months Ended | 3 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 31, 2013 USD ($) | Mar. 31, 2013 CNY | Mar. 31, 2013 Erdos TCH [Member] Maximum [Member] | Mar. 31, 2013 Erdos TCH [Member] Minimum [Member] | Mar. 31, 2013 Erdos Metallurgy to Xi'an TCH [Member] | Mar. 31, 2013 Xi'an TCH [Member] USD ($) | Dec. 31, 2012 Xi'an TCH [Member] USD ($) | Dec. 31, 2012 Xi'an TCH [Member] CNY | Mar. 31, 2013 Xi'an TCH to Erdos TCH [Member] | Mar. 31, 2013 Erdos TCH to Beijing Trust [Member] | Mar. 31, 2013 Beijing Trust to the holders of the category B trust units [Member] | Dec. 03, 2011 A1 [Member] CNY | Mar. 31, 2013 A1 [Member] | Dec. 03, 2011 A1 [Member] Xi'an TCH [Member] CNY | Mar. 31, 2013 A1 [Member] Xi'an TCH [Member] USD ($) | Mar. 31, 2013 A2 [Member] | Mar. 31, 2013 A3 [Member] | Mar. 31, 2013 B Category [Member] | Mar. 31, 2013 B Category [Member] Erdos TCH [Member] USD ($) | Mar. 31, 2013 B Category [Member] Xi'an TCH [Member] USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, stated rate |  |  |  |  |  |  |  |  |  |  |  |  | 9.94% |  |  | 11.00% | 12.05% | 8.35% |  |
Debt instrument maturity term |  |  |  |  |  |  |  |  |  |  |  |  | 2 years |  |  | 3 years | 4 years | 4 years |  |
Stock unit issued | $ 44,100,000 | 300,000,000 |  |  |  |  |  |  |  |  |  |  |  |  | $ 235,600 |  |  |  | $ 2,000,000 | $ 7,400,000
Stock unit issued (in units) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,600,000 |  |  |  | 13,750,000 | 46,250,000
Repayment of debt |  |  |  |  |  |  |  |  |  |  |  | 35,250,000 |  | 1,600,000 |  |  |  |  |  |
Trust loan payable |  |  |  |  |  | $ 31,500,000 | $ 31,400,000 | 197,500,000 |  |  |  |  |  |  |  |  |  |  |  |
Management incentive benefit percentage of net profit |  |  | 100.00% | 0.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Benefits derived from clean development mechanism distribution |  |  |  |  | 50.00% |  |  |  | 50.00% | 50.00% | 70.00% |  |  |  |  |  |  |  |  |

X
- Definition Debt instrument, maturity in years + References No definition available. + Details
Name: | creg_DebtInstrumentMaturityInYears
Namespace Prefix: | creg_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Management incentive fee percentage + References No definition available. + Details
Name: | creg_ManagementIncentiveFeePercentage
Namespace Prefix: | creg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of total benefit received and distributed + References No definition available. + Details
Name: | creg_PercentageOfTotalBenefitReceivedAndDistributed
Namespace Prefix: | creg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of stock units issued. + References No definition available. + Details
Name: | creg_StockIssuedDuringPeriodSharesStockUnits
Namespace Prefix: | creg_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Stock unit shares issued + References No definition available. + Details
Name: | creg_StockIssuedDuringPeriodStockUnits
Namespace Prefix: | creg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Interest rate stated in the contractual debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: 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(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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

X
- Definition Gross amount of debt extinguished. + References No definition available. + Details
Name: | us-gaap_ExtinguishmentOfDebtAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Including the current and noncurrent portions, this element represents the carrying value of loans payable which were initially due after one year or beyond the operating cycle, if longer, and which are not otherwise defined in the taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20, 22 -Article 5 + Details
Name: | us-gaap_OtherLoansPayable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant