Balance Sheet Details - Property Plant & Equipment (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Property Plant & Equipment [Abstract]
Buildings and Land Gross	$ 4,997	$ 4,997
Machinery and Equipment, Gross	18,125	17,514
Furniture and Fixtures, Gross	3,362	3,384
Computer Equipments And Software Gross	7,151	6,350
Leasehold Improvements, Gross	6,390	6,329
Property, Plant and Equipment, Gross	40,025	38,574
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	(28,871)	(26,044)
Property, plant and equipment, net	$ 11,154	$ 12,530

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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Gross amount of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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- Definition

Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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