XML 68 R56.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Refundable Deposit from Customers for Systems Leasing (Details) - USD ($) | Jun. 30, 2017 | Dec. 31, 2016
--- | --- | ---
Pucheng, Shenqiu and Yida systems [Member] |  |
Refundable Deposit from Customers for Systems Leasing [Textual] |  |
TCH paid principal and interest | $ 1,048,063 | $ 1,023,497

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

X
- Definition The amount of an asset, typically cash, provided to a counterparty to provide certain assurance of performance by the entity pursuant to the terms of a written or oral agreement, such as a lease. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.8,17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_SecurityDeposit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_SaleLeasebackTransactionDescriptionAxis=creg_PuchengShenqiuAndYidaSystemsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |