Other License Agreements and Acquired Product Rights - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	0 Months Ended	1 Months Ended		12 Months Ended		0 Months Ended	1 Months Ended	3 Months Ended	12 Months Ended	0 Months Ended	12 Months Ended
	Feb. 28, 2012	Sep. 30, 2007 North American [Member]	Jul. 31, 2009 North America [Member]	Dec. 31, 2013 North America [Member]	Sep. 30, 2007 North America [Member] To be Paid Within 30 Days of Regulatory Approval of the First Product [Member]	Oct. 07, 2010 TTY License and Supply Agreement [Member]	Nov. 30, 2011 TTY License and Supply Agreement [Member]	Sep. 30, 2013 TTY License and Supply Agreement [Member]	Dec. 31, 2013 TTY License and Supply Agreement [Member]	May 31, 2010 Kunwha License Agreement [Member]	Dec. 31, 2013 Kunwha License Agreement [Member]	Dec. 31, 2013 Tolmar Notes [Member]
Other License Agreements And Acquired Product Rights [Line Items]
Expiration date of the agreement										Jul. 23, 2027
Upfront payment						$ 0.3					$ 0.3
Up-front payment net of tax											0.25
Milestone payments						1.3					1.3
Milestone payments net of tax											1.1
Term of the agreement									15 years
Milestone payment received							0.3	0.3
Purchase price of rights and assets		7
Cash paid as consideration		3
Promissory note to be paid		4			2
Promissory note paid			2
Promissory Note Due Period				30 days
Cumulative net sales for determining payment of promissory note		30
Amount outstanding under the Tolmar note				2
Notes settlement amount	1.05
Notes Issued Outstanding Amount												$ 2