License and Development Agreements - Collegium License and Development Agreement - Additional Information (Detail) - Collegium License and Development Agreement [Member] $ in Millions	1 Months Ended
Jun. 30, 2016 USD ($)
Revenue Recognition, Milestone Method [Line Items]
Non-refundable payment received	$ 2.5
Execution term of license agreement	30 days

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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