v2.4.1.9
NATURE OF BUSINESS AND BASIS OF FINANCIAL STATEMENT PREPARATION (Details Textual) (USD $)
 1 Months Ended
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)   $ 0.001us-gaap_CommonStockParOrStatedValuePerShare $ 0.001us-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 8,736,932us-gaap_NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationSharesIssued1
/ us-gaap_BusinessAcquisitionAxis
= deyu_CityZoneHoldingsLimitedMember
/ deyu_ExchangeAgreementAxis
= deyu_ShareExchangeMember		      
Common stock, par value (in dollars per share) $ 0.001us-gaap_CommonStockParOrStatedValuePerShare
/ us-gaap_BusinessAcquisitionAxis
= deyu_CityZoneHoldingsLimitedMember
/ deyu_ExchangeAgreementAxis
= deyu_ShareExchangeMember