BALANCE SHEET DETAILS - Components of Property and Equipment (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Property, Plant and Equipment [Line Items]
Property, and equipment, gross	$ 71,029	$ 71,873
Less: accumulated depreciation	(64,536)	(64,486)
Property and equipment, net	6,493	7,387
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, and equipment, gross	42,959	43,853
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, and equipment, gross	9,817	9,985
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, and equipment, gross	$ 18,253	$ 18,035

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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