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SEGMENT INFORMATION (Narrative) (Details)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
International Revenue [Member]    
Segment Reporting Information [Line Items]    
Concentration of credit risk, percentage 2.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_StatementGeographicalAxis
= dss_InternationalRevenueMember
2.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_StatementGeographicalAxis
= dss_InternationalRevenueMember
Revenue [Member]    
Segment Reporting Information [Line Items]    
Concentration of credit risk, percentage 40.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
35.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
Trade Accounts Receivable [Member]    
Segment Reporting Information [Line Items]    
Concentration of credit risk, percentage 27.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
30.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember