BALANCE SHEET DETAILS - Components of Property and Equipment (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Property, Plant and Equipment [Line Items]
Property, and equipment, gross	$ 71,873	$ 72,935
Less: accumulated depreciation	(64,486)	(62,383)
Property and equipment, net	7,387	10,552
Machinery and Equipment
Property, Plant and Equipment [Line Items]
Property, and equipment, gross	43,853	45,174
Furniture and Fixtures
Property, Plant and Equipment [Line Items]
Property, and equipment, gross	9,985	10,002
Leasehold Improvements
Property, Plant and Equipment [Line Items]
Property, and equipment, gross	$ 18,035	$ 17,759

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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