Balance Sheet Details Other Current Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
NOTE 6. Balance Sheet Detail [Abstract]
Estimated Litigation Liability, Current	$ 4,293	$ 4,293
Deferred Revenue	7,367	7,332
Other Liabilities	3,483	5,031
Total other current liabilities	$ 15,143	$ 16,656

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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Aggregate carrying amount, as of the balance sheet date, of obligations incurred and payable, pertaining to 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 in the balance sheet. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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