v2.4.1.9

SHAREHOLDERS' EQUITY (Details Textual) (USD $) | 0 Months Ended | 1 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
May 10, 2010 | May 31, 2010 | Dec. 31, 2014 | Dec. 31, 2013 | Apr. 27, 2010 | Dec. 31, 2010
Shareholders Equity [Line Items] |  |  |  |  |  |
Gross proceeds | $ 10,805,750 us-gaap_ProceedsFromIssuanceOfPrivatePlacement | $ 2,594,607 us-gaap_ProceedsFromIssuanceOfPrivatePlacement | $ 10,805,750 us-gaap_ProceedsFromIssuanceOfPrivatePlacement |  |  |
Series A convertible preferred stock, par value (in dollars per share) |  |  | $ 0.001 us-gaap_PreferredStockParOrStatedValuePerShare | $ 0.001 us-gaap_PreferredStockParOrStatedValuePerShare |  |
Common stock, shares issued | 9,999,999 us-gaap_CommonStockSharesIssued |  | 11,044,328 us-gaap_CommonStockSharesIssued |  |  |
Common stock, shares outstanding |  |  | 11,044,328 us-gaap_CommonStockSharesOutstanding | 10,618,266 us-gaap_CommonStockSharesOutstanding |  |
Series A convertible preferred stock, shares issued |  |  | 1,894,992 us-gaap_PreferredStockSharesIssued |  |  |
Series A convertible preferred stock, shares outstanding | 9,999,999 us-gaap_PreferredStockSharesOutstanding |  | 1,894,992 us-gaap_PreferredStockSharesOutstanding | 2,182,628 us-gaap_PreferredStockSharesOutstanding |  |
Direct financing costs |  |  | 1,742,993 us-gaap_PaymentOfFinancingAndStockIssuanceCosts |  |  |
Fair value of placement agent warrants |  |  | 187,366 deyu_FairValueOfPlacementAgentWarrants |  |  |
Investors [Member] |  |  |  |  |  |
Shareholders Equity [Line Items] |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights |  |  | $ 5.06 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = deyu_InvestorsMember |  |  |
Placement Agent [Member] |  |  |  |  |  |
Shareholders Equity [Line Items] |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights |  |  | $ 4.84 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = deyu_PlacementAgentMember |  |  |
Warrant [Member] |  |  |  |  |  |
Shareholders Equity [Line Items] |  |  |  |  |  |
Gross proceeds |  |  | 995,523 us-gaap_ProceedsFromIssuanceOfPrivatePlacement / deyu_ClassOfWarrantsAxis = us-gaap_WarrantMember |  |  |
Direct financing costs |  |  | 161,443 us-gaap_PaymentOfFinancingAndStockIssuanceCosts / deyu_ClassOfWarrantsAxis = us-gaap_WarrantMember |  |  |
Fair value of placement agent warrants |  |  | 187,366 deyu_FairValueOfPlacementAgentWarrants / deyu_ClassOfWarrantsAxis = us-gaap_WarrantMember |  |  |
Number Of Warrants Paid To Placement Agents |  |  | 171,911 deyu_NumberOfWarrantsPaidToPlacementAgents / deyu_ClassOfWarrantsAxis = us-gaap_WarrantMember |  |  |
Common Stock [Member] |  |  |  |  |  |
Shareholders Equity [Line Items] |  |  |  |  |  |
Conversion of Stock, Shares Issued |  |  | 964,329 us-gaap_ConversionOfStockSharesIssued1 / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |
City Zone Holdings Limited [Member] |  |  |  |  |  |
Shareholders Equity [Line Items] |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  | 100.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / dei_LegalEntityAxis = deyu_CityZoneHoldingsLimitedMember |  | 100.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / dei_LegalEntityAxis = deyu_CityZoneHoldingsLimitedMember |
Percentage Of Fully Diluted Outstanding Shares |  |  |  |  | 65.71%deyu_PercentageOfFullyDilutedOutstandingShares / dei_LegalEntityAxis = deyu_CityZoneHoldingsLimitedMember |
City Zone Holdings Limited [Member] | After Acquisition [Member] |  |  |  |  |  |
Shareholders Equity [Line Items] |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  |  |  | 9.50%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_BusinessAcquisitionAxis = deyu_AfterAcquisitionMember / dei_LegalEntityAxis = deyu_CityZoneHoldingsLimitedMember |
City Zone Holdings Limited [Member] | Before Acquisition [Member] |  |  |  |  |  |
Shareholders Equity [Line Items] |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  |  |  | 100.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_BusinessAcquisitionAxis = deyu_BeforeAcquisitionMember / dei_LegalEntityAxis = deyu_CityZoneHoldingsLimitedMember |
Series A Convertible Preferred Stock [Member] |  |  |  |  |  |
Shareholders Equity [Line Items] |  |  |  |  |  |
Conversion of Stock, Shares Converted |  |  | 964,329 us-gaap_ConversionOfStockSharesConverted1 / us-gaap_StatementClassOfStockAxis = deyu_SeriesConvertiblePreferredStockMember |  |  |
Common stock, shares issued |  |  | 80,000 us-gaap_CommonStockSharesIssued / us-gaap_StatementClassOfStockAxis = deyu_SeriesConvertiblePreferredStockMember |  |  |
Preferred Stock, Dividend Rate, Percentage |  |  | 5.00%us-gaap_PreferredStockDividendRatePercentage / us-gaap_StatementClassOfStockAxis = deyu_SeriesConvertiblePreferredStockMember |  |  |
Preferred Stock, Liquidation Preference Per Share |  |  | $ 4.40 us-gaap_PreferredStockLiquidationPreference / us-gaap_StatementClassOfStockAxis = deyu_SeriesConvertiblePreferredStockMember |  |  |
Stock Dividends, Shares |  |  | 403,458 us-gaap_StockDividendsShares / us-gaap_StatementClassOfStockAxis = deyu_SeriesConvertiblePreferredStockMember |  |  |
Series A Preferred Stock [Member] |  |  |  |  |  |
Shareholders Equity [Line Items] |  |  |  |  |  |
Gross proceeds |  |  | 9,810,227 us-gaap_ProceedsFromIssuanceOfPrivatePlacement / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesAPreferredStockMember |  |  |
Conversion of Stock, Shares Converted |  |  | 964,329 us-gaap_ConversionOfStockSharesConverted1 / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesAPreferredStockMember |  |  |
Dividends, Preferred Stock |  |  | 418,624 us-gaap_DividendsPreferredStock / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesAPreferredStockMember | 478,769 us-gaap_DividendsPreferredStock / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesAPreferredStockMember |  |
Direct financing costs |  |  | 1,581,550 us-gaap_PaymentOfFinancingAndStockIssuanceCosts / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesAPreferredStockMember |  |  |
Fair value of placement agent warrants |  |  | 0 deyu_FairValueOfPlacementAgentWarrants / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesAPreferredStockMember |  |  |
Share Exchange [Member] | City Zone Holdings Limited [Member] |  |  |  |  |  |
Shareholders Equity [Line Items] |  |  |  |  |  |
Noncash or Part Noncash Acquisition, Noncash Financial or Equity Instrument Consideration, Shares Issued |  |  |  |  | 8,736,932 us-gaap_NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationSharesIssued1 / deyu_ExchangeAgreementAxis = deyu_ShareExchangeMember / dei_LegalEntityAxis = deyu_CityZoneHoldingsLimitedMember |
Private Placement [Member] |  |  |  |  |  |
Shareholders Equity [Line Items] |  |  |  |  |  |
Series A convertible preferred stock, par value (in dollars per share) |  |  |  |  | 0.001 us-gaap_PreferredStockParOrStatedValuePerShare / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember |
Payments of Stock Issuance Costs |  |  | 1,555,627 us-gaap_PaymentsOfStockIssuanceCosts / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember |  |  |
Number Of Shares Included In One Unit |  |  |  |  |  | 2,455,863 deyu_NumberOfSharesIncludedInOneUnit / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember
Number Of Stock To Be Issued In Exercise Of Warrants |  |  | 982,362 deyu_NumberOfStockToBeIssuedInExerciseOfWarrants / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember |  |  | 982,362 deyu_NumberOfStockToBeIssuedInExerciseOfWarrants / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember
Class of Warrant or Right, Exercise Price of Warrants or Rights |  |  |  |  | 5.06 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember |
Private Placement [Member] | Warrant [Member] |  |  |  |  |  |
Shareholders Equity [Line Items] |  |  |  |  |  |
Number Of Common Stock To Be Purchased From Shares Or Warrants |  |  |  |  | 0.4 deyu_NumberOfCommonStockToBePurchasedFromSharesOrWarrants / deyu_ClassOfWarrantsAxis = us-gaap_WarrantMember / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember |
Private Placement First Round [Member] |  |  |  |  |  |
Shareholders Equity [Line Items] |  |  |  |  |  |
Gross proceeds |  |  |  |  | 8,211,166 us-gaap_ProceedsFromIssuanceOfPrivatePlacement / us-gaap_SubsidiarySaleOfStockAxis = deyu_PrivatePlacementFirstRoundMember |
Number Of Shares Included In One Unit |  | 589,689 deyu_NumberOfSharesIncludedInOneUnit / us-gaap_SubsidiarySaleOfStockAxis = deyu_PrivatePlacementFirstRoundMember |  |  | 1,866,174 deyu_NumberOfSharesIncludedInOneUnit / us-gaap_SubsidiarySaleOfStockAxis = deyu_PrivatePlacementFirstRoundMember |
Cash Payable For Execution Of Retainer Agreement |  |  |  |  | 25,000 deyu_CashPayableForExecutionOfRetainerAgreement / us-gaap_SubsidiarySaleOfStockAxis = deyu_PrivatePlacementFirstRoundMember |
Number Of Stock To Be Issued In Exercise Of Warrants |  | 235,883 deyu_NumberOfStockToBeIssuedInExerciseOfWarrants / us-gaap_SubsidiarySaleOfStockAxis = deyu_PrivatePlacementFirstRoundMember |  |  | 746,479 deyu_NumberOfStockToBeIssuedInExerciseOfWarrants / us-gaap_SubsidiarySaleOfStockAxis = deyu_PrivatePlacementFirstRoundMember |
Percentage Of Placement Fee Payable |  |  |  |  | 7.00%deyu_PercentageOfPlacementFeePayable / us-gaap_SubsidiarySaleOfStockAxis = deyu_PrivatePlacementFirstRoundMember |
Percentage Of Cash Corporate Finance Fee Payable |  |  |  |  | 1.00%deyu_PercentageOfCashCorporateFinanceFeePayable / us-gaap_SubsidiarySaleOfStockAxis = deyu_PrivatePlacementFirstRoundMember |
Number Of Warrants Paid To Placement Agents |  |  |  |  |  | 171,911 deyu_NumberOfWarrantsPaidToPlacementAgents / us-gaap_SubsidiarySaleOfStockAxis = deyu_PrivatePlacementFirstRoundMember
Percentage Of Weighted Average Cost Of Capital | 18.60%deyu_PercentageOfWeightedAverageCostOfCapital / us-gaap_SubsidiarySaleOfStockAxis = deyu_PrivatePlacementFirstRoundMember |  |  |  | 18.94%deyu_PercentageOfWeightedAverageCostOfCapital / us-gaap_SubsidiarySaleOfStockAxis = deyu_PrivatePlacementFirstRoundMember |
Percentage Of Preferred Stock To Be Issued To Placement Agent |  |  |  |  | 5.00%deyu_PercentageOfPreferredStockToBeIssuedToPlacementAgent / us-gaap_SubsidiarySaleOfStockAxis = deyu_PrivatePlacementFirstRoundMember |
Class of Warrant or Right, Exercise Price of Warrants or Rights |  | $ 5.06 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_SubsidiarySaleOfStockAxis = deyu_PrivatePlacementFirstRoundMember |  |  | 4.84 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_SubsidiarySaleOfStockAxis = deyu_PrivatePlacementFirstRoundMember |
Private Placement First Round [Member] | Series A Convertible Preferred Stock [Member] |  |  |  |  |  |
Shareholders Equity [Line Items] |  |  |  |  |  |
Preferred Stock, Liquidation Preference Per Share |  |  |  |  | 4.40 us-gaap_PreferredStockLiquidationPreference / us-gaap_StatementClassOfStockAxis = deyu_SeriesConvertiblePreferredStockMember / us-gaap_SubsidiarySaleOfStockAxis = deyu_PrivatePlacementFirstRoundMember |
Private Placement Second Round [Member] |  |  |  |  |  |
Shareholders Equity [Line Items] |  |  |  |  |  |
Number Of Shares Included In One Unit |  |  |  |  | 1,866,174 deyu_NumberOfSharesIncludedInOneUnit / us-gaap_SubsidiarySaleOfStockAxis = deyu_PrivatePlacementSecondRoundMember |

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- Definition Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. + 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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- Definition The total of the cash outflow during the period which has been paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt and the cost incurred directly for the issuance of equity securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 + Details
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