Note O - Government Grants (Details Textual) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Financial Grants in Support of Research and Development	$ 547	$ 277	$ 2,191	$ 1,891
Financial Grants in Support of Research and Development Royalty Obligation	5.00%		5.00%

Royalty obligation that must be paid on sales of certain products the development of which received grants in previous years. Expressed as a percentage of sales.

No definition available.

Name:	dspg_FinancialGrantsInSupportOfResearchAndDevelopmentRoyaltyObligation
Namespace Prefix:	dspg_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant