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Co-Promotion Agreement - Additional Information (Detail) | 6 Months Ended
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Jun. 30, 2014
Co-Promotion Agreement [Line Items] |
Promotion fee as a percentage gross margin | From the high single digits in 2014 to the low twenty percent levels in 2018.
Kowa Pharmaceuticals America | Minimum |
Co-Promotion Agreement [Line Items] |
Number of sales representatives | 250

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- Details
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Data Type: | xbrli:stringItemType
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- Definition Number Of Sales Representative + References No definition available. + Details
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- Definition Range of Percentage of Gross Margin Payable for Co-Promotion Agreement + References No definition available. + Details
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Data Type: | xbrli:stringItemType
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