Legal Proceedings - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	1 Months Ended
	Jun. 13, 2012 Stockholder Derivative Litigation	Sep. 30, 2009 Stockholder Derivative Litigation	Oct. 06, 2009 Stockholder Derivative Litigation	Aug. 31, 2009 Stockholder Derivative Litigation	Oct. 04, 2011 Strugala	Dec. 21, 2010 Strugala	Aug. 05, 2011 Lina	Jun. 06, 2011 LSI Corporation	Oct. 11, 2011 Dustin Torrez	Apr. 17, 2012 Kevin Khoa Nguyen	Jan. 01, 2011 Deep9
Loss Contingencies [Line Items]
Number of putative shareholder derivative complaints filed			1	5		1	1	1	1	1	1
Consolidated cases, number of lawsuits		5
Purchase price waived in litigation settlement	$ 22,750
Adjustment to additional paid in capital on purchase price waived if the Settlement Agreement approved	$ 22,750
Loss contingency, actions taken by Court					On October 4, 2011, the Court granted defendants' motion to dismiss, but also granted plaintiff leave to replead within 30 days.