XML 57 R45.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Other Receivables (Details) - USD ($) | Jun. 30, 2018 | Dec. 31, 2017
--- | --- | ---
Other Receivables (Textual) |  |
Advance to third party | $ 7,557 | $ 7,652
Maintenance cost and tax receivable | $ 4,710,000 | $ 3,060,000

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