XML 47 R31.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Construction in Progress (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Construction in Progress [Abstract] |
Schedule of construction in progress |
|  | 2017 |  |  | 2016 |
Xuzhou Huayu |  | $ | 24,976,178 |  |  | $ | 23,525,925 |
Xuzhou Tian’an |  |  | 37,814,637 |  |  |  | 32,471,977 |
Boxing County Chengli |  |  | 32,375,158 |  |  |  | 30,495,280 |
Total |  | $ | 95,165,973 |  |  | $ | 86,493,182 |

X
- Definition Tabular represents the amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service. + References No definition available. + Details
Name: | creg_ScheduleOfConstructionInProgressTableTextBlock
Namespace Prefix: | creg_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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