Results of Operations of PixelOptics (Detail) (PixelOptics, Inc., USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
PixelOptics, Inc.
Results of Operations:
Revenue	$ 539	$ 307
Operating loss	(5,855)	(8,721)
Net loss	$ (7,061)	$ (9,012)