v2.4.1.9

LOSS ON INVENTORY VALUATION RESERVE (Details Textual) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013
Inventory [Line Items] |  |
Gain Loss On Inventory Valuation Reserve |  | $ (4,478,174)deyu_GainLossOnInventoryValuationReserve
Corn Division [Member] |  |
Inventory [Line Items] |  |
Gain Loss On Inventory Valuation Reserve |  | 4,391,580 deyu_GainLossOnInventoryValuationReserve / us-gaap_StatementBusinessSegmentsAxis = deyu_CornDivisionMember
Grain Division [Member] |  |
Inventory [Line Items] |  |
Gain Loss On Inventory Valuation Reserve |  | $ 86,594 deyu_GainLossOnInventoryValuationReserve / us-gaap_StatementBusinessSegmentsAxis = deyu_GrainDivisionMember

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- Definition Gain (loss) on inventory valuation reserve. + References No definition available. + Details
Name: | deyu_GainLossOnInventoryValuationReserve
Namespace Prefix: | deyu_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Details
Name: | us-gaap_InventoryLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=deyu_CornDivisionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=deyu_GrainDivisionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |