Results of Operations of PixelOptics (Detail) (PixelOptics, Inc. [Member], USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
PixelOptics, Inc. [Member]
Results of Operations:
Revenue	$ 800	$ 569
Operating loss	(12,219)	(16,172)
Net loss	$ (14,838)	$ (16,925)