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Cash, Cash Equivalents and Short-term Investments	6 Months Ended
Jun. 30, 2012
Cash, Cash Equivalents and Short-term Investments	Note 3—Cash, Cash Equivalents and Short-term Investments As of June 30, 2012, all investments were sold and the proceeds were reinvested in cash and cash equivalents, and as of December 31, 2011, all investments were classified as short-term and available-for-sale on the accompanying balance sheet. We did not own any securities with unrealized loss positions as of June 30, 2012 or December 31, 2011. Investment income consists primarily of interest income.

Cash, Cash Equivalents and Short-term Investments

6 Months Ended

Jun. 30, 2012

Cash, Cash Equivalents and Short-term Investments

Note 3—Cash, Cash Equivalents and Short-term Investments

As of June 30, 2012, all investments were sold and the proceeds were reinvested in cash and cash equivalents, and as of December 31, 2011, all investments were classified as short-term and available-for-sale on the accompanying balance sheet. We did not own any securities with unrealized loss positions as of June 30, 2012 or December 31, 2011. Investment income consists primarily of interest income.