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Balance Sheet Details - Other Current Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Other Current Liabilities [Abstract]
Estimated Litigation Liability, Current	$ 4,293	$ 4,293
Deferred Revenue	9,011	11,170
Other Current Liabilities Subtotal	5,321	5,889
Other Liabilities, Current	$ 18,625	$ 21,352

Carrying amount of reserve for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs, which is expected to be paid within one year of the date of the statement of financial position.

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- Definition

Aggregate carrying amount of current liabilities (due within one year or within the normal operating cycle if longer) not separately disclosed in the balance sheet. Includes costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered and of liabilities not separately disclosed.

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