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Note 9 - Investment in Other Company (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended 0 Months Ended
Dec. 31, 2013
Oct. 24, 2013
Note 9 - Investment in Other Company (Details) [Line Items]    
Payments to Acquire Investments $ 2,200us-gaap_PaymentsToAcquireInvestments  
Asian Private Company [Member]    
Note 9 - Investment in Other Company (Details) [Line Items]    
Payments to Acquire Investments   $ 2,200us-gaap_PaymentsToAcquireInvestments
/ invest_InvestmentSectorAxis
= dspg_AsianPrivateCompanyMember
Cost Method Investment, Ownership Percentage   14.00%dspg_CostMethodInvestmentOwnershipPercentage
/ invest_InvestmentSectorAxis
= dspg_AsianPrivateCompanyMember