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Notes Receivable And Other Current Assets
12 Months Ended
Dec. 31, 2011
Notes Receivable And Other Current Assets [Abstract]  
Notes Receivable And Other Current Assets

4. Notes Receivable and Other Current Assets

As of December 31, 2011, our notes receivable and other current assets primarily consists of prepaid royalties of $5.8 million, and as of December 31, 2010, it consisted primarily of prepaid royalties of $4.4 million and a note receivable of $2.7, which was collected in 2011.