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Segment And Geographic Information
 12 Months Ended
Dec. 31, 2011
Segment And Geographic Information [Abstract]  
Segment And Geographic Information

Note 13—Segment and Geographic Information

        The Company operates in one reportable segment: the design and manufacture of high-performance memory subsystems for the server, high-performance computing and communications markets. The Company evaluates financial performance on a company-wide basis.

        To date, a majority of the Company's international sales relate to shipments of products to its U.S. customers' international manufacturing sites or third- party hubs. Net sales derived from shipments to international destinations, primarily to Hong Kong (including foreign subsidiaries of customers that are headquartered in the U.S.), represented approximately 83% and 70% of the Company's net sales in 2011 and 2010, respectively. All of the Company's net sales to date have been denominated in U.S. dollars.

        As of December 31, 2011 and January 1, 2011, approximately $1.5 million and $2.3 million of the Company's long-lived assets, net of depreciation and amortization, respectively, were located outside the U.S., primarily in the PRC. Substantially all other long-lived assets were located in the U.S.