Subsequent Event - Additional Information (Detail) (Cure Tech [Member], Subsequent Event [Member], USD $) In Millions, unless otherwise specified	1 Months Ended
	Oct. 31, 2014
Subsequent Event [Line Items]
Purchase commitment	3 years
Reduction in upfront payment	$ 2.0
Potential reduction of tiered royalties payable to licensor	1.00%
Expected Period of voting	2014-12
Percentage of share of largest shareholder	53.00%
Payments upon of certain development and regulatory milestones	85.0
Maximum [Member]
Subsequent Event [Line Items]
Milestone payment under license agreement	5.0
Sales based milestone payments	$ 245.0
Royalty percentage payable to licensor	11.00%
Minimum [Member]
Subsequent Event [Line Items]
Royalty percentage payable to licensor	4.00%