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OTHER RECEIVABLES (Narrative) (Details) (USD $) In Millions, unless otherwise specified | Dec. 31, 2014 | Dec. 31, 2013
--- | --- | ---
Advance To Third Party | $ 0.56 creg_AdvanceToThirdParty | $ 1.18 creg_AdvanceToThirdParty
Advance To Employees | 0.04 creg_AdvanceToEmployees | 0.04 creg_AdvanceToEmployees
Maintenance Cost And Tax Receivable | $ 0.1 creg_MaintenanceCostAndTaxReceivable | $ 0.1 creg_MaintenanceCostAndTaxReceivable

X
- Definition It represent the value of employees advance. + References No definition available. + Details
Name: | creg_AdvanceToEmployees
Namespace Prefix: | creg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition It represent the value of third party advance. + References No definition available. + Details
Name: | creg_AdvanceToThirdParty
Namespace Prefix: | creg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition It represent the value of maintenance cost and tax receivable. + References No definition available. + Details
Name: | creg_MaintenanceCostAndTaxReceivable
Namespace Prefix: | creg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant