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Warrants (Schedule of Movement of Warrants) (Details) (Series B-1 Preferred Stock [Member], CNY)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Series B-1 Preferred Stock [Member]
   
Class of Warrant or Right [Line Items]    
Beginning balance 4,815us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
/ us-gaap_ClassOfWarrantOrRightAxis
= dsky_SeriesB1PreferredStockMember
  
Issuance    4,243us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues
/ us-gaap_ClassOfWarrantOrRightAxis
= dsky_SeriesB1PreferredStockMember
Fair value change 514us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings
/ us-gaap_ClassOfWarrantOrRightAxis
= dsky_SeriesB1PreferredStockMember
564us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings
/ us-gaap_ClassOfWarrantOrRightAxis
= dsky_SeriesB1PreferredStockMember
Exercise (5,232)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements
/ us-gaap_ClassOfWarrantOrRightAxis
= dsky_SeriesB1PreferredStockMember
  
Exchange difference (97)dsky_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisExchangeDifference
/ us-gaap_ClassOfWarrantOrRightAxis
= dsky_SeriesB1PreferredStockMember
8dsky_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisExchangeDifference
/ us-gaap_ClassOfWarrantOrRightAxis
= dsky_SeriesB1PreferredStockMember
Ending balance    4,815us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
/ us-gaap_ClassOfWarrantOrRightAxis
= dsky_SeriesB1PreferredStockMember