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Co-Promotion Agreement - Additional Information (Detail) $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2015 USD ($) Employee | Dec. 31, 2014 USD ($)
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. |
Net payables | $ 17,899 | $ 8,525
Kowa Pharmaceuticals America |  |
Co-Promotion Agreement [Line Items] |  |
Net receivable |  | $ 600
Net payables | $ 400 |
Kowa Pharmaceuticals America | Minimum |  |
Co-Promotion Agreement [Line Items] |  |
Number of sales representatives | Employee | 250 |

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- Definition Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within 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 S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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