Cash payable for execution of retainer agreement.

No definition available.

Name:	deyu_CashPayableForExecutionOfRetainerAgreement
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Balance Type:	credit
Period Type:	duration

- Definition

Fair value of warrants issued during the reporting period.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The number of common stock shares that can be purchased from one unit of preferred stock or warrant.

+ References

No definition available.

+ Details

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Data Type:	xbrli:sharesItemType
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- Definition

Number of shares included in one stock unit.

+ References

No definition available.

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Balance Type:	na
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- Definition

Number of common stock to be issued in exercise of warrants during the period.

+ References

No definition available.

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- Definition

Number of warrants paid to placement agents.

+ References

No definition available.

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Period Type:	duration

- Definition

Percentage of cash corporate finance fee payable to placement agents during the reporting period.

+ References

No definition available.

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Data Type:	num:percentItemType
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Period Type:	duration

- Definition

Percentage of fully diluted outstanding shares.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of placement fee payable to placement agents during the reporting period.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

This element represents the percentage of preferred stock issued to be placement agent pursuant to the offering.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
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- Definition

The rates utilized to discount the cumulative dividend cash flows to their present values were based on a weighted average cost of capital.

+ References

No definition available.

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- Details

Name:	deyu_ShareholdersEquityLineItems
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- Definition

Warrants expired.

+ References

No definition available.

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

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-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

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-Paragraph 1

-Subparagraph (SX 210.4-08.(i)(4))

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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.

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-SubTopic 10

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-Paragraph 1

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 30

-Article 5

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Balance Type:	na
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- Definition

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 30

-Article 5

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period 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

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-Name Accounting Standards Codification

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-SubTopic 10

-Section 50

-Paragraph 5

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-SubTopic 10

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-Paragraph 3

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Period Type:	duration

- Definition

The number of new shares issued in the conversion of stock in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period 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

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Period Type:	duration

- Definition

Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).

+ References

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)(1)

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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

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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

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-Topic 230

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-Section 45

-Paragraph 15

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585

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The cash outflow for cost incurred directly with the issuance of an equity security.

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The percentage rate used to calculate dividend payments on preferred stock.

+ References

No definition available.

+ Details

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The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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-Name Accounting Standards Codification

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-Paragraph 1

-Subparagraph (SX 210.4-08.(d)(1))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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Data Type:	num:perShareItemType
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- Definition

Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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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 210.5-02.28)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29

-Article 5

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- Definition

Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

+ 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 210.5-02.28)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29

-Article 5

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The cash inflow associated with the amount received from entity's raising of capital via private rather than public placement.

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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

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-Section 45

-Paragraph 14

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- Definition

Number of shares of common and preferred stock issued as dividends during the period. Excludes stock splits.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

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Balance Type:	na
Period Type:	duration

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Name:	deyu_ExchangeAgreementAxis=deyu_ShareExchangeMember
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Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=deyu_PlacementAgentMember
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SHAREHOLDERS' EQUITY (Details Textual) (USD $)	0 Months Ended	1 Months Ended	3 Months Ended		1 Months Ended
SHAREHOLDERS' EQUITY (Details Textual) (USD $)	May 10, 2010	May 31, 2010	Mar. 31, 2015	Mar. 31, 2014	Apr. 27, 2010	Dec. 31, 2014
Shareholders Equity [Line Items]
Gross proceeds	$ 10,805,750	$ 2,594,607	$ 10,805,750
Series A convertible preferred stock, par value (in dollars per share)			$ 0.001			$ 0.001
Common stock, shares issued	9,999,999us-gaap_CommonStockSharesIssued		11,044,328us-gaap_CommonStockSharesIssued
Common stock, shares outstanding	9,999,999us-gaap_CommonStockSharesOutstanding		11,044,328us-gaap_CommonStockSharesOutstanding			11,044,328us-gaap_CommonStockSharesOutstanding
Series A convertible preferred stock, shares issued			1,960,132us-gaap_PreferredStockSharesIssued
Direct financing costs			1,742,993
Fair value of placement agent warrants			187,366deyu_FairValueOfPlacementAgentWarrants
Investors [Member]
Shareholders Equity [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights			$ 5.06
Placement Agent [Member]
Shareholders Equity [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights			$ 4.84
Warrant [Member]
Shareholders Equity [Line Items]
Gross proceeds			995,523
Direct financing costs			161,443
Fair value of placement agent warrants			187,366
Number Of Warrants Paid To Placement Agents	171,911
Common Stock [Member]
Shareholders Equity [Line Items]
Conversion of Stock, Shares Issued			964,329
City Zone Holdings Limited [Member]
Shareholders Equity [Line Items]
Equity Method Investment, Ownership Percentage			100.00%		100.00%
Percentage Of Fully Diluted Outstanding Shares					65.71%
City Zone Holdings Limited [Member] \| After Acquisition [Member]
Shareholders Equity [Line Items]
Equity Method Investment, Ownership Percentage					9.50%
City Zone Holdings Limited [Member] \| Before Acquisition [Member]
Shareholders Equity [Line Items]
Equity Method Investment, Ownership Percentage					100.00%
Series A Convertible Preferred Stock [Member]
Shareholders Equity [Line Items]
Conversion of Stock, Shares Converted			964,329
Common stock, shares issued			80,000
Preferred Stock, Dividend Rate, Percentage			5.00%
Preferred Stock, Liquidation Preference Per Share			$ 4.40
Stock Dividends, Shares			468,598
Series A Preferred Stock [Member]
Shareholders Equity [Line Items]
Gross proceeds			9,810,227
Conversion of Stock, Shares Converted			964,329
Dividends, Preferred Stock			107,807	102,349
Direct financing costs			1,581,550
Fair value of placement agent warrants			0
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
Private Placement [Member]
Shareholders Equity [Line Items]
Series A convertible preferred stock, par value (in dollars per share)					0.001
Payments of Stock Issuance Costs			1,555,627
Number Of Shares Included In One Unit	2,455,863
Number Of Stock To Be Issued In Exercise Of Warrants	982,362		982,362
Class of Warrant or Right, Exercise Price of Warrants or Rights					5.06
Warrant Expiration Date			Apr. 27, 2015
Private Placement [Member] \| Warrant [Member]
Shareholders Equity [Line Items]
Number Of Common Stock To Be Purchased From Shares Or Warrants					0.4
Private Placement First Round [Member]
Shareholders Equity [Line Items]
Gross proceeds					8,211,166
Number Of Shares Included In One Unit		589,689			1,866,174
Cash Payable For Execution Of Retainer Agreement					25,000
Number Of Stock To Be Issued In Exercise Of Warrants	235,883				746,479
Percentage Of Placement Fee Payable					7.00%
Percentage Of Cash Corporate Finance Fee Payable					1.00%
Number Of Warrants Paid To Placement Agents					171,911
Percentage Of Weighted Average Cost Of Capital	18.60%				18.94%
Percentage Of Preferred Stock To Be Issued To Placement Agent					5.00%
Class of Warrant or Right, Exercise Price of Warrants or Rights		$ 5.06			4.84
Private Placement First Round [Member] \| Series A Convertible Preferred Stock [Member]
Shareholders Equity [Line Items]
Preferred Stock, Liquidation Preference Per Share					4.40
Private Placement Second Round [Member]
Shareholders Equity [Line Items]
Number Of Shares Included In One Unit					1,866,174