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Intangible Assets (Details 1) (USD $)
Mar. 31, 2015
Finite-Lived Intangible Assets [Line Items]  
2015 (6 months) $ 95,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
2016 182,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
2017 122,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
2018 122,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
2019 122,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive
Thereafter 282,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive
Total 925,000us-gaap_FiniteLivedIntangibleAssetsNet
Acquired Customer Base [Member]  
Finite-Lived Intangible Assets [Line Items]  
2015 (6 months) 40,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= dysl_AcquiredCustomerBaseMember
2016 80,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= dysl_AcquiredCustomerBaseMember
2017 80,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= dysl_AcquiredCustomerBaseMember
2018 80,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= dysl_AcquiredCustomerBaseMember
2019 80,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= dysl_AcquiredCustomerBaseMember
Thereafter 29,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= dysl_AcquiredCustomerBaseMember
Total 389,000us-gaap_FiniteLivedIntangibleAssetsNet
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= dysl_AcquiredCustomerBaseMember
Know How [Member]  
Finite-Lived Intangible Assets [Line Items]  
2015 (6 months) 17,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= dysl_KnowHowMember
2016 34,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= dysl_KnowHowMember
2017 34,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= dysl_KnowHowMember
2018 34,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= dysl_KnowHowMember
2019 34,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= dysl_KnowHowMember
Thereafter 129,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= dysl_KnowHowMember
Total 282,000us-gaap_FiniteLivedIntangibleAssetsNet
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= dysl_KnowHowMember
Patents [Member]  
Finite-Lived Intangible Assets [Line Items]  
2015 (6 months) 8,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_PatentsMember
2016 8,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_PatentsMember
2017 8,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_PatentsMember
2018 8,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_PatentsMember
2019 8,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_PatentsMember
Thereafter 124,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_PatentsMember
Total 164,000us-gaap_FiniteLivedIntangibleAssetsNet
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_PatentsMember
Biomedical Technologies [Member]  
Finite-Lived Intangible Assets [Line Items]  
2015 (6 months) 30,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= dysl_BiomedicalTechnologiesMember
2016 60,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= dysl_BiomedicalTechnologiesMember
2017 0us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= dysl_BiomedicalTechnologiesMember
2018 0us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= dysl_BiomedicalTechnologiesMember
2019 0us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= dysl_BiomedicalTechnologiesMember
Thereafter 0us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= dysl_BiomedicalTechnologiesMember
Total $ 90,000us-gaap_FiniteLivedIntangibleAssetsNet
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= dysl_BiomedicalTechnologiesMember