XML 64 R52.htm IDEA: XBRL DOCUMENT
v3.19.1

Other Receivables (Details) - USD ($) | Mar. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Other Receivables (Textual) |  |
Advance to third party | $ 7,426 | $ 7,285
Tax and maintenance cost receivable | $ 1,037,626 | $ 1,528,368

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

X
- References No definition available. + Details
Name: | creg_OtherReceivablesTextualsAbstract
Namespace Prefix: | creg_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration