The Company and Summary of Significant Accounting Policies (Schedule Of Estimated Useful Lives Of The Assets) (Details)	12 Months Ended
	Dec. 31, 2012
Computer Equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life, in years	2 years
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life, in years	5 years
Software [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life, in years	5 years
Software [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life, in years	2 years
Machinery and Equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life, in years	3 years
Machinery and Equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life, in years	2 years
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life	Shorter of the lease term or 5 years
Leasehold Improvements [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life, in years	5 years