Balance Sheet Details - Property Plant & Equipment (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Property Plant & Equipment [Abstract]
Buildings and Land Gross	$ 5,024	$ 5,024
Machinery and Equipment, Gross	21,322	20,827
Furniture and Fixtures, Gross	3,498	4,043
Computer Equipments And Software Gross	6,183	5,568
Leasehold Improvements, Gross	7,797	7,744
Property, Plant and Equipment, Gross	43,824	43,206
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	31,580	30,148
Property, Plant and Equipment, Net	$ 12,244	$ 13,058