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Note 11 - Investment in Telkoor (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 12 Months Ended 0 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Jun. 16, 2011
Note 11 - Investment in Telkoor (Details) [Line Items]      
Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net, Available-for-sale Securities $ 175us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAvailableforsaleSecurities $ 312us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAvailableforsaleSecurities  
Telkoor [Member]      
Note 11 - Investment in Telkoor (Details) [Line Items]      
Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net, Available-for-sale Securities $ 175us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAvailableforsaleSecurities
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= dpw_TelkoorMember		 $ 312us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAvailableforsaleSecurities
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= dpw_TelkoorMember		  
Telkoor [Member]      
Note 11 - Investment in Telkoor (Details) [Line Items]      
Business Acquisition, Shares Acquired (in Shares)     1,136,666dpw_BusinessAcquisitionSharesAcquired
/ us-gaap_BusinessAcquisitionAxis
= dpw_TelkoorMember
Business Acquisition, Percentage of Voting Interests Acquired     8.80%us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired
/ us-gaap_BusinessAcquisitionAxis
= dpw_TelkoorMember