Goodwill (Goodwill by Segments) (Detail) (USD $) In Thousands, unless otherwise specified	9 Months Ended					3 Months Ended
	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2014 RealPlayer Group	Sep. 30, 2014 Mobile Entertainment	Sep. 30, 2014 Games	Jun. 30, 2014 RealPlayer Group
Goodwill [Line Items]
Goodwill	$ 17,615	$ 17,476	$ 1,003	$ 2,073	$ 14,539
Goodwill acquired during period	$ 460					$ 500