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Basis of Presentation and Significant Accounting Policies (Narrative) (Details) (USD $)
3 Months Ended 12 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Dec. 31, 2014
Dec. 31, 2013
Significant Accounting Policies        
Amount received as payments for costs and expenses $ 337,307dss_ProceedsFromRestrictedPaymentsOfCostsAndExpenses   $ 355,793dss_ProceedsFromRestrictedPaymentsOfCostsAndExpenses  
Shares issuable, excluding from calculation of diluted earnings per share 11,468,047us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 19,618,892us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount    
Net gain (loss) attributable to cash flow hedge (77,000)us-gaap_IncreaseDecreaseInFairValueOfInterestRateFairValueHedgingInstruments1   (61,000)us-gaap_IncreaseDecreaseInFairValueOfInterestRateFairValueHedgingInstruments1  
Notional Amount 1,064,000invest_DerivativeNotionalAmount      
Impairment of goodwill 3,000,000us-gaap_GoodwillImpairmentLoss      
Unrestricted cash 1,591,859us-gaap_Cash 2,941,874us-gaap_Cash 2,343,675us-gaap_Cash 1,977,031us-gaap_Cash
Restricted cash 337,307us-gaap_RestrictedCashAndCashEquivalents   355,793us-gaap_RestrictedCashAndCashEquivalents  
Available under a revolving credit line at packaging subsidiary $ 800,000us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity      
Accounts Receivable [Member] | Major Customer 1        
Significant Accounting Policies        
Concentration of credit risk, percentage 8.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_MajorCustomersAxis
= dss_MajorCustomerOneMember
     
Revenue [Member] | Major Customer 1        
Significant Accounting Policies        
Concentration of credit risk, percentage 14.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_MajorCustomersAxis
= dss_MajorCustomerOneMember
26.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_MajorCustomersAxis
= dss_MajorCustomerOneMember