Intangible Assets and Goodwill	3 Months Ended
Intangible Assets and Goodwill	Mar. 31, 2012
Intangible Assets and Goodwill [Abstract]
Intangible Assets and Goodwill	4. In-process research and development and goodwill In mid-March 2012, Pfizer informed the Company of its intent to cease development of one of its two development programs with respect to an SBI-087 product candidate. In April 2012, Pfizer informed the Company of its intent to cease development of the second program, and that it intended to terminate its development and commercialization agreement with the Company. The Company considered this initial communication a potential indicator of an impairment of the related SBI-087 IPR&D asset. As a result of these communications, the Company has assessed the fair value of this asset. As part of this assessment, the Company considered the impact of Pfizer’s decision, along with the Company’s current intentions not to pursue further development of this asset. As a result of this impairment analysis, the Company recorded an impairment charge of $9.6 million, which represents the entire carrying value of the SBI-087 IPR&D asset as of March 31, 2012. This charge is classified in the Company’s statement of operations as impairment of in-process research and development, within the Company’s Biosciences segment. The Company determined the fair value of the SBI-087 IPR&D asset by utilizing an income approach. The Company’s cash flow projections include management’s estimates related to the costs to develop the acquired technology into commercially viable products, the resulting revenue from the projects, and discounting the net cash flows to present value. The revenue and costs projections were adjusted to reflect the probability of successful new drug development. Additionally, the projections considered the relevant market sizes and growth factors, expected trends in technology, and the nature and expected timing of new product introductions. The rates utilized to discount the net cash flows to their present value were commensurate with the stage of development of the SBI-087 product candidate and uncertainties in the economic estimates used in the projections described above. As a result of the impairment of the SBI-087 IPR&D asset, the Company also performed an interim impairment analysis of goodwill as of March 31, 2012. Based on the interim impairment assessment, the estimated fair value of the reporting unit was in excess of carrying value, and therefore no impairment of goodwill was recorded.

The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss.

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