XML 77 R37.htm IDEA: XBRL DOCUMENT
v2.4.0.8

ORGANIZATION AND DESCRIPTION OF BUSINESS (Narrative) (Details) | 0 Months Ended | 1 Months Ended | 0 Months Ended |  |  | 0 Months Ended | 1 Months Ended |  | 0 Months Ended | 1 Months Ended | 6 Months Ended | 0 Months Ended | 1 Months Ended |  | 0 Months Ended | 1 Months Ended | 6 Months Ended | 1 Months Ended | 6 Months Ended | 1 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 28, 2011 USD ($) MW | Sep. 28, 2011 CNY | Feb. 28, 2011 MW | Oct. 08, 2012 Shenqiu Project [Member] | Sep. 28, 2011 Shenqiu Project [Member] MW | Oct. 25, 2012 Shenqiu Project [Member] USD ($) | Oct. 25, 2012 Shenqiu Project [Member] CNY | May 25, 2011 Shenqiu Project [Member] USD ($) | May 25, 2011 Shenqiu Project [Member] CNY | Apr. 14, 2009 Erdos Metallurgy Company Limited [Member] USD ($) | Apr. 14, 2009 Erdos Metallurgy Company Limited [Member] CNY | Apr. 14, 2009 Erdos Metallurgy Company Limited [Member] Initial Investment [Member] USD ($) | Apr. 14, 2009 Erdos Metallurgy Company Limited [Member] Initial Investment [Member] CNY | Jun. 15, 2013 Erdos Tch [Member] USD ($) | Jun. 15, 2013 Erdos Tch [Member] CNY | Jul. 31, 2013 Erdos Tch [Member] USD ($) | Jun. 30, 2013 Erdos Tch [Member] | Apr. 14, 2009 Erdos Tch [Member] After Return Of Initial Investment [Member] | Oct. 08, 2012 Xian Tch [Member] | Feb. 28, 2011 Xian Tch [Member] | Jun. 30, 2013 Xian Tch [Member] | Mar. 30, 2013 Xian Tch [Member] Shenqiu Project [Member] | Feb. 28, 2011 Xian Tch [Member] Shanxi Datong Coal Group Steel Co Ltd [Member] USD ($) | Feb. 28, 2011 Xian Tch [Member] Shanxi Datong Coal Group Steel Co Ltd [Member] CNY | May 31, 2013 Xian Tch [Member] Sinosteel Jilin Ferroalloys Co Ltd Jitie [Member] USD ($) MW | May 31, 2013 Xian Tch [Member] Sinosteel Jilin Ferroalloys Co Ltd Jitie [Member] CNY | Jun. 25, 2013 Xian Tch [Member] Hongyuan Huifu [Member] USD ($) | Jun. 25, 2013 Xian Tch [Member] Hongyuan Huifu [Member] CNY | Apr. 14, 2009 Xian Tch [Member] Initial Investment [Member] | Apr. 14, 2009 Xian Tch [Member] After Return Of Initial Investment [Member] | Mar. 30, 2013 Xian Tch [Member] Biomass Power Generation System [Member] USD ($) | Mar. 30, 2013 Xian Tch [Member] Biomass Power Generation System [Member] CNY | May 31, 2013 Xian Tch [Member] Minimum [Member] Sinosteel Jilin Ferroalloys Co Ltd Jitie [Member] MW | May 31, 2013 Xian Tch [Member] Maximum [Member] Sinosteel Jilin Ferroalloys Co Ltd Jitie [Member] MW | Feb. 28, 2011 Xian Tch [Member] Location One [Member] Shanxi Datong Coal Group Steel Co Ltd [Member] | Feb. 28, 2011 Xian Tch [Member] Location Two [Member] Shanxi Datong Coal Group Steel Co Ltd [Member] | Jun. 30, 2013 Xian Tch [Member] Location Two [Member] Biomass Power Generation System [Member] USD ($) | Jun. 30, 2013 Xian Tch [Member] Location Two [Member] Biomass Power Generation System [Member] CNY | Jun. 25, 2013 Huahong New Energy Technology Co Ltd [Member] CNY | Jun. 30, 2013 Xian TCH And Shanxi Datong [Member] First Five Years [Member] USD ($) | Jun. 30, 2013 Xian TCH And Shanxi Datong [Member] First Five Years [Member] CNY | Jun. 30, 2013 Xian TCH And Shanxi Datong [Member] Second Five Years [Member] USD ($) | Jun. 30, 2013 Xian TCH And Shanxi Datong [Member] Second Five Years [Member] CNY | Jun. 30, 2013 Xian TCH And Shanxi Datong [Member] Minimum Ten Years [Member] USD ($) | Jun. 30, 2013 Xian TCH And Shanxi Datong [Member] Minimum Ten Years [Member] CNY | Jun. 30, 2013 Xian TCH And Shanxi Datong [Member] MaximumTen Years [Member] USD ($) | Jun. 30, 2013 Xian TCH And Shanxi Datong [Member] MaximumTen Years [Member] CNY | Jun. 25, 2013 HYREF Fund [Member] USD ($) | Jun. 25, 2013 HYREF Fund [Member] CNY
Organization and Nature Of Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capacity of plant |  |  |  | 12 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 24 | 23 |  | 12 | 3 | 3 |  |  |  |  |  |  |  |  |  |  | 15 | 1 | 3 | 3 |  |  |  |  |  |  |  |  |  |  |
Term of joint ventures |  |  |  |  |  |  |  |  |  | 20 years | 20 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investment cost |  |  |  |  |  |  |  |  |  | $ 79,000,000 | 500,000,000 | $ 17,550,000 | 120,000,000 |  |  |  |  |  |  |  |  |  | $ 27,450,000 | 180,000,000 | $ 9,710,000 | 60,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contribution percentage in total investment |  |  |  |  |  |  |  |  |  |  |  |  |  | 7.00% | 7.00% |  | 7.00% |  |  |  | 93.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Profit distribution percentage |  |  |  |  |  |  |  |  |  |  |  | 20.00% | 20.00% |  |  | 100.00% |  | 40.00% |  |  |  |  |  |  |  |  |  |  | 80.00% | 60.00% |  |  |  |  |  |  |  |  | 40.00% |  |  |  |  |  |  |  |  |  |
Construction cost |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,290,000 | 8,000,000 | 227,901 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Terms of contracts |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 30 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Leasing fees | 286,000 | 1,800,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 239,000 | 1,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lease period | 11 years | 11 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 24 years | 24 years |  |  |  |  | 9 years 6 months | 9 years 6 months |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total cost of project |  |  |  |  |  | 10,830,000 | 68,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10,840,000 | 65,000,000 |  |  |  |  |  |  |  |  |  |  |
Original investment by subsidiary |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 650,000 | 4,000,000 |  |  |  |  |  |  |  |  |  |  | 10,000,000 |  |  |  |  |  |  |  |  |  |
Consideration of thermal power generation project |  |  |  |  |  |  |  | 3,500,000 | 22,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum service fee |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 300,000 | 1,800,000 |  |  |  |  |  |  |  |  |  |  |  |  |  | 190,000 | 1,200,000 | 180,000 | 1,100,000 | 160,000 | 1,000,000 | 150,000 | 900,000 |  |
Installed Plant Capacity | 12 | 12 | 23 |  | 12 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10.5 | 10.5 |  |  |  |  |  |  | 3 | 7.5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subscription amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 74,000,000 | 460,000,000

X
- Definition Consideration Of Thermal Power Generation Project. + References No definition available. + Details
Name: | creg_ConsiderationOfThermalPowerGenerationProject
Namespace Prefix: | creg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Contract Term + References No definition available. + Details
Name: | creg_ContractTerm
Namespace Prefix: | creg_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Dissolution Term Of Joint Ventures + References No definition available. + Details
Name: | creg_DissolutionTermOfJointVentures
Namespace Prefix: | creg_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents installed capacity of plants used in power generation project + References No definition available. + Details
Name: | creg_InstalledPlantCapacity
Namespace Prefix: | creg_
Data Type: | num:powerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Lease Period + References No definition available. + Details
Name: | creg_LeasePeriod
Namespace Prefix: | creg_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Lease Revenues And Fees + References No definition available. + Details
Name: | creg_LeaseRevenuesAndFees
Namespace Prefix: | creg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Minimum service fee + References No definition available. + Details
Name: | creg_MinimumServiceFee
Namespace Prefix: | creg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | creg_OrganizationAndNatureOfOperationsLineItems
Namespace Prefix: | creg_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Original Investment By Subsidiary. + References No definition available. + Details
Name: | creg_OriginalInvestmentBySubsidiary
Namespace Prefix: | creg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Percentage Of Capital Contribution + References No definition available. + Details
Name: | creg_PercentageOfCapitalContribution
Namespace Prefix: | creg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage Share Of Gain Loss From Joint Venture. + References No definition available. + Details
Name: | creg_PercentageShareOfGainLossFromJointVenture
Namespace Prefix: | creg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Plant Capacity + References No definition available. + Details
Name: | creg_PlantCapacity
Namespace Prefix: | creg_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition Subscription amount. + References No definition available. + Details
Name: | creg_SubscriptionAmount
Namespace Prefix: | creg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Total cost of the Project + References No definition available. + Details
Name: | creg_TotalCostOfProject
Namespace Prefix: | creg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The aggregate costs related to construction and development services during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
Name: | us-gaap_ConstructionAndDevelopmentCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Cost of the investment. + References No definition available. + Details
Name: | us-gaap_InvestmentOwnedAtCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant