v2.4.1.9
SHAREHOLDERS' EQUITY (Details) (USD $)
0 Months Ended 1 Months Ended 12 Months Ended
May 10, 2010
May 31, 2010
Dec. 31, 2014
Shareholders Equity [Line Items]      
Fair values of financial instruments     $ 11,288,070us-gaap_FinancialInstrumentsOwnedAtFairValue
Gross proceeds 10,805,750us-gaap_ProceedsFromIssuanceOfPrivatePlacement 2,594,607us-gaap_ProceedsFromIssuanceOfPrivatePlacement 10,805,750us-gaap_ProceedsFromIssuanceOfPrivatePlacement
Direct financing costs     (1,742,993)us-gaap_PaymentOfFinancingAndStockIssuanceCosts
Fair value of placement agent warrants     187,366deyu_FairValueOfPlacementAgentWarrants
Financing Cost Fair Value     9,250,123deyu_FinancingCostFairValue
Series A Preferred Stock [Member]      
Shareholders Equity [Line Items]      
Fair values of financial instruments     10,248,092us-gaap_FinancialInstrumentsOwnedAtFairValue
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
Gross proceeds     9,810,227us-gaap_ProceedsFromIssuanceOfPrivatePlacement
/ 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     0deyu_FairValueOfPlacementAgentWarrants
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
Financing Cost Fair Value     8,228,677deyu_FinancingCostFairValue
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
Warrant [Member]      
Shareholders Equity [Line Items]      
Fair values of financial instruments     1,039,978us-gaap_FinancialInstrumentsOwnedAtFairValue
/ deyu_ClassOfWarrantsAxis
= us-gaap_WarrantMember
Gross proceeds     995,523us-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     187,366deyu_FairValueOfPlacementAgentWarrants
/ deyu_ClassOfWarrantsAxis
= us-gaap_WarrantMember
Financing Cost Fair Value     $ 1,021,446deyu_FinancingCostFairValue
/ deyu_ClassOfWarrantsAxis
= us-gaap_WarrantMember