Condensed Consolidated Statements of Income (Unaudited) (Parentheticals) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2016	Mar. 31, 2015
Equity-based compensation expense included in cost of revenues	$ 61	$ 70
Equity-based compensation expenses included in research and development, net	426	538
Equity-based compensation expense included in sales and marketing	131	152
Equity-based compensation expense included in general and administrative	$ 367	$ 493

Amount of equity-based compensation expense included in general and administrative expense.

No definition available.

Name:	dspg_GeneralAndAdministrativeIncludedInEquityBasedCompensationExpense
Namespace Prefix:	dspg_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration