Organization and Summary of Significant Accounting Policies - Customers Greater Than Ten Percent of Net Revenue (Detail)

v2.4.0.6

Organization and Summary of Significant Accounting Policies - Customers Greater Than Ten Percent of Net Revenue (Detail)	12 Months Ended
	Dec. 31, 2012 Arris [Member]	Dec. 31, 2011 Arris [Member]	Dec. 31, 2012 Pace [Member]	Dec. 31, 2011 Panasonic [Member]	Dec. 31, 2010 Panasonic [Member]	Dec. 31, 2010 Toshiba [Member]
Concentration Risk [Line Items]
Percentage of net revenue by customers	25.00%	11.00%	10.00%	14.00%	16.00%	10.00%