XML 41 R48.htm IDEA: XBRL DOCUMENT
v3.20.1

Other Receivables (Details) - USD ($) | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Other Receivables (Textual) |  |
Advance to third party | $ 7,167 | $ 7,285
Tax and maintenance cost receivable | $ 1,001,527 | $ 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