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Basis of Presentation and Significant Accounting Policies (Schedule of Derivative Instrument) (Details) (USD $)
Mar. 31, 2015
Derivative [Line Items]  
Notional Amount $ 1,064,000invest_DerivativeNotionalAmount
Matures August 30, 2021 [Member]  
Derivative [Line Items]  
Notional Amount $ 1,064,104invest_DerivativeNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= dss_MaturesAugustTwentyTwentyOneMember
Variable Rate 3.33%us-gaap_DerivativeAverageVariableInterestRate
/ us-gaap_DerivativeByNatureAxis
= dss_MaturesAugustTwentyTwentyOneMember
Fixed Cost 5.87%us-gaap_DerivativeAverageFixedInterestRate
/ us-gaap_DerivativeByNatureAxis
= dss_MaturesAugustTwentyTwentyOneMember