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Long-Term Investments	3 Months Ended
	Mar. 31, 2015
Long-Term Investments	Note 6. Long-Term Investments The Company maintains an investment in Aduro Biotech, Inc. (“Aduro”) carried under the cost basis of accounting and historically carried at zero on its unaudited condensed consolidated balance sheets. In April 2015, Aduro’s common stock began trading on the NASDAQ Global Select Market, trading under the ticker ADRO. At the time of Aduro’s initial public offering, the Company’s preferred shares in Aduro converted to 396,700 shares of common stock. The initial public offering price was $17 per share. The Company continues to carry its investment at zero on its unaudited condensed consolidated balance sheets at March 31, 2015. Given the fact that the security is a marketable equity security as of the initial public offering, the Company will be evaluating the subsequent accounting for this security in future quarters.

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- Definition

The entire disclosure for investments accounted for under the cost-method. The carrying amount of such investments may be adjusted, for example, distributions in excess of cost (return of capital) or for other-than-temporary impairments. The cost method and lower-of-cost or market, an adaptation of the cost method, is generally followed for most investments in noncontrolled corporations, in some corporate joint ventures, and to a lesser extent in unconsolidated subsidiaries in which the entity does not have the ability to exercise significant influence.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 325

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6872867&loc=d3e40691-111596

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