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