Legal Proceedings - Additional Information (Detail)	1 Months Ended
	Aug. 05, 2011 Lina	Oct. 11, 2011 Dustin Torrez	Apr. 17, 2012 Kevin Khoa Nguyen	Jul. 24, 2012 Technology Properties Limited Complaint Class Two	Jul. 24, 2012 Technology Properties Limited Complaint Class One	Jun. 06, 2011 LSI Corporation	Jan. 01, 2011 Deep9	Oct. 24, 2012 PIN Pad Litigation Northern District of California	Oct. 24, 2012 PIN Pad Litigation Northern District of Illinois	Jan. 25, 2013 Trimmer
Loss Contingencies [Line Items]
Number of putative shareholder derivative complaints filed	1	1	1	1	1	1	1	1	3	1
Affirmative defenses					10
Product patent infringe				2	1