v2.4.1.9

NATURE OF BUSINESS AND BASIS OF FINANCIAL STATEMENT PREPARATION (Details Textual) (USD $) | 1 Months Ended |  |  |
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Apr. 27, 2010 | Mar. 31, 2015 | Dec. 31, 2014 | Nov. 30, 2009
NATURE OF BUSINESS AND BASIS OF FINANCIAL STATEMENT PREPARATION [Line Items] |  |  |  |
Common stock, par value (in dollars per share) |  | $ 0.001 us-gaap_CommonStockParOrStatedValuePerShare | $ 0.001 us-gaap_CommonStockParOrStatedValuePerShare |
City Zone Holdings Limited [Member] |  |  |  |
NATURE OF BUSINESS AND BASIS OF FINANCIAL STATEMENT PREPARATION [Line Items] |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  |  | 100.00%us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired / us-gaap_BusinessAcquisitionAxis = deyu_CityZoneHoldingsLimitedMember
City Zone Holdings Limited [Member] | Share Exchange [Member] |  |  |  |
NATURE OF BUSINESS AND BASIS OF FINANCIAL STATEMENT PREPARATION [Line Items] |  |  |  |
Noncash or Part Noncash Acquisition, Noncash Financial or Equity Instrument Consideration, Shares Issued | 8,736,932 us-gaap_NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationSharesIssued1 / us-gaap_BusinessAcquisitionAxis = deyu_CityZoneHoldingsLimitedMember / deyu_ExchangeAgreementAxis = deyu_ShareExchangeMember |  |  |
Common stock, par value (in dollars per share) | $ 0.001 us-gaap_CommonStockParOrStatedValuePerShare / us-gaap_BusinessAcquisitionAxis = deyu_CityZoneHoldingsLimitedMember / deyu_ExchangeAgreementAxis = deyu_ShareExchangeMember |  |  |

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- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463 + Details
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- Definition Face amount or stated value per share of common stock. + 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 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 30 -Article 5 + Details
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- Definition The number of shares issued as [noncash or part noncash] consideration for a business or asset acquired. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4313-108586 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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