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FOLLOW-ON EQUITY OFFERING (Details) (USD $)	1 Months Ended		12 Months Ended
	Feb. 28, 2015	May 30, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
FOLLOW-ON EQUITY OFFERING [Abstract]
America depositary shares (ADSs) issued, shares		2,000,000dq_DepositarySharesIssuedDuringPeriodShares
Follow-on equity offering, net of issuance costs, shares		50,000,000us-gaap_StockIssuedDuringPeriodSharesOther
Issuance cost for ordinary shares		$ (3,400,000)us-gaap_PaymentsOfStockIssuanceCosts	$ (3,375,553)us-gaap_PaymentsOfStockIssuanceCosts
Follow-on equity offering, net of issuance costs	$ 28,000,000us-gaap_StockIssuedDuringPeriodValueOther	$ 54,600,000us-gaap_StockIssuedDuringPeriodValueOther	$ 54,624,447us-gaap_StockIssuedDuringPeriodValueOther

X

- Definition

Number of depositary shares issued during the period.

+ References

No definition available.

+ Details

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X

- Definition

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

+ 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

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Number of shares of stock issued during the period that is attributable to transactions involving issuance of stock not separately disclosed.

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No definition available.

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Value of shares of stock issued during the period that is attributable to transactions involving issuance of stock not separately disclosed.

+ References

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