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Intangible Assets (Schedule of Other Intangible Assets) (Details) (USD $) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2015 | Dec. 31, 2014
Other Intangible Assets |  |  |  |
Gross Carrying Amount | $ 6,706,133us-gaap_FiniteLivedIntangibleAssetsGross |  | $ 6,706,133us-gaap_FiniteLivedIntangibleAssetsGross |
Accumulated Amortization | 3,039,009us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization |  | 2,797,734us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization |
Net Carrying Amount | 3,667,124us-gaap_IntangibleAssetsNetExcludingGoodwill |  | 3,908,399us-gaap_IntangibleAssetsNetExcludingGoodwill |
Acquired intangibles - customer lists and non-compete agreements [Member] |  |  |  |
Other Intangible Assets |  |  |  |
Gross Carrying Amount | 1,997,300us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = dss_AcquiredIntangiblesOneMember |  | 1,997,300us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = dss_AcquiredIntangiblesOneMember |
Accumulated Amortization | 1,570,682us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = dss_AcquiredIntangiblesOneMember |  | 1,532,123us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = dss_AcquiredIntangiblesOneMember |
Net Carrying Amount | 426,618us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = dss_AcquiredIntangiblesOneMember |  | 465,177us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = dss_AcquiredIntangiblesOneMember |
Acquired intangibles - customer lists and non-compete agreements [Member] | Minimum [Member] |  |  |  |
Other Intangible Assets |  |  |  |
Useful Life | 5 years |  |  |
Acquired intangibles - customer lists and non-compete agreements [Member] | Maximum [Member] |  |  |  |
Other Intangible Assets |  |  |  |
Useful Life | 10 years |  |  |
Acquired intangibles-patents and patent rights [Member] |  |  |  |
Other Intangible Assets |  |  |  |
Gross Carrying Amount | 3,650,000us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = dss_AcquiredIntangiblesTwoMember | [1] | 3,650,000us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = dss_AcquiredIntangiblesTwoMember | [1]
Accumulated Amortization | 1,029,889us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = dss_AcquiredIntangiblesTwoMember | [1] | 852,343us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = dss_AcquiredIntangiblesTwoMember | [1]
Net Carrying Amount | 2,620,111us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = dss_AcquiredIntangiblesTwoMember | [1] | 2,797,657us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = dss_AcquiredIntangiblesTwoMember | [1]
Useful Life | 5 years 2 months 12 days |  |  |
Patent application costs [Member] |  |  |  |
Other Intangible Assets |  |  |  |
Gross Carrying Amount | 1,058,833us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentsMember | [2] | 1,058,833us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentsMember | [2]
Accumulated Amortization | 438,438us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentsMember | [2] | 413,268us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentsMember | [2]
Net Carrying Amount | $ 620,395us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentsMember | [2] | $ 645,565us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentsMember | [2]
Useful Life | 9 years 9 months 18 days |  |  |
[1] | (1) Acquired patents and patent rights are amortized over their expected useful life which is generally the remaining legal life of the patent. As of March 31, 2015, the weighted average remaining useful life of these assets in service was approximately 5.2 years.
[2] | (2) Patent application costs are amortized over their expected useful life which is generally the remaining legal life of the patent. As of March 31, 2015, the weighted average remaining useful life of these assets in service was approximately 9.8 years.

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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