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Co-Promotion Agreement - Additional Information (Detail) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2015 USD ($) Employee | Dec. 31, 2014 USD ($)
Co-Promotion Agreement [Line Items] |  |
Prepaid and other current assets | $ 3,152 | $ 2,633
Accrued expenses and other current liabilities | $ 24,226 | 16,387
Co-Promotion Agreement (the Agreement) |  |
Co-Promotion Agreement [Line Items] |  |
Promotion fee as a percentage gross margin | From the high single digits in 2014 to the low twenty percent level in 2018. |
Co-Promotion Agreement (the Agreement) | Kowa Pharmaceuticals America |  |
Co-Promotion Agreement [Line Items] |  |
Prepaid and other current assets |  | $ 600
Accrued expenses and other current liabilities | $ 2,500 |
Co-Promotion Agreement (the Agreement) | Kowa Pharmaceuticals America | Minimum |  |
Co-Promotion Agreement [Line Items] |  |
Number of sales representatives | Employee | 250 |

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- Definition Amount of obligations incurred and payable, pertaining to costs that are statutory in nature, incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include, but not limited to, taxes, interest, rent and utilities. Also includes the aggregate carrying amount of liabilities not separately disclosed. + References No definition available. + Details
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- Definition Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 8 -Article 5 + Details
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