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PREPAID EXPENSES (Narrative) (Details) In Millions, unless otherwise specified | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2014 USD ($) | Dec. 31, 2014 CNY | Dec. 31, 2013 USD ($) | Jul. 31, 2013 USD ($) | Jul. 31, 2013 CNY
Prepaid Expense Current And Noncurrent |  |  |  | $ 75 us-gaap_PrepaidExpenseCurrentAndNoncurrent | 460 us-gaap_PrepaidExpenseCurrentAndNoncurrent
Percentage Of Funds Raised | 2.00%creg_PercentageOfFundsRaised | 2.00%creg_PercentageOfFundsRaised |  |  |
Consulting Fees | 1.5 creg_ConsultingFees | 9.2 creg_ConsultingFees |  |  |
Percentage Of Funds Actually Contributed | 2.00%creg_PercentageOfFundsActuallyContributed | 2.00%creg_PercentageOfFundsActuallyContributed |  |  |
Prepaid Consulting Expenses | $ 0.88 creg_PrepaidConsultingExpenses |  | $ 1.50 creg_PrepaidConsultingExpenses |  |

X
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- Definition Carrying amount as of the balance sheet date of expenditures made in advance of when the economic benefit of the cost will be realized, and which will be expensed in future periods with the passage of time or when a triggering event occurs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.10) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 10 -Article 9 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.10) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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