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Facility Financing Agreement - Additional Information (Detail) (USD $)	280 Months Ended									1 Months Ended	6 Months Ended	12 Months Ended	1 Months Ended	3 Months Ended			3 Months Ended	0 Months Ended			0 Months Ended
	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2014 Tranche B notes	Jul. 01, 2013 Senior convertible notes due December 31, 2019	Jun. 30, 2014 Senior convertible notes due December 31, 2019 Fourth tranche	Jun. 30, 2014 Senior convertible notes due December 31, 2019 Tranche B notes Maximum	Jul. 01, 2013 Deerfield Milestone Rights Liability Maximum	Jun. 30, 2014 Deerfield Senior convertible notes due December 31, 2019	Feb. 28, 2014 Deerfield Senior convertible notes due December 31, 2019	Jan. 31, 2014 Deerfield Senior convertible notes due December 31, 2019 Tranche Two	Jun. 30, 2014 Deerfield Senior convertible notes due December 31, 2019 Tranche Two	Dec. 31, 2013 Deerfield Senior convertible notes due December 31, 2019 Tranche Two	Apr. 30, 2014 Deerfield Senior convertible notes due December 31, 2019 Tranche One	Mar. 31, 2014 Deerfield Senior convertible notes due December 31, 2019 Tranche One	Mar. 31, 2014 Deerfield Senior convertible notes due December 31, 2019 Tranche Three	Jun. 30, 2014 Deerfield Senior convertible notes due December 31, 2019 Tranche One and Tranche Three	Mar. 31, 2014 Deerfield Senior convertible notes due December 31, 2019 Tranche One and Tranche Three Maximum	Jul. 01, 2013 Deerfield Senior convertible notes due December 31, 2019 Notes Issued in Four Equal Tranches Tranche	Jun. 30, 2014 Deerfield Senior convertible notes due December 31, 2019 Notes Issued in Four Equal Tranches	Jul. 01, 2013 Deerfield Senior convertible notes due December 31, 2019 Notes Issued in Four Equal Tranches	Feb. 28, 2014 Deerfield Senior convertible notes due December 31, 2019 Tranche B notes	May 06, 2014 Deerfield Senior convertible notes due December 31, 2019 Tranche B notes	Feb. 28, 2014 Deerfield Senior convertible notes due December 31, 2019 Tranche B notes	Feb. 28, 2014 Deerfield Senior convertible notes due December 31, 2019 Tranche B notes If the Company enters into a collaboration with a third party to commercialize AFFREZZA	Jul. 18, 2014 Subsequent Event Deerfield Senior convertible notes due December 31, 2019 Fourth tranche	Jul. 01, 2013 Subsequent Event Deerfield Senior convertible notes due December 31, 2019 Milestone Rights Liability
Debt Instrument [Line Items]
Debt facility principal amount																			$ 120,000,000	$ 160,000,000			$ 90,000,000
Number of equal tranches																		4
Debt facility periodic principal amount																				40,000,000
Senior notes, effective interest rate																11.63%				9.75%			9.75%	8.75%
Principal amount of notes purchased																						20,000,000			40,000,000
Repayment as a percentage of original principal amount																							25.00%
Debt instrument maturity date																					Dec. 31, 2019
Aggregate principal amount of convertible notes								0	60,000,000				7,500,000	12,500,000	40,000,000
Common shares issuable upon conversion									12,000,000
Contingent liability for milestone payments							90,000,000
Short term liability	37,744,000	102,300,000																								3,200,000
Long term liability	37,744,000																									13,100,000
Commitment asset at fair value			2,921,000	2,900,000	40,000,000	70,000,000																1,800,000
Amount of common shares issued upon conversion	3,331,000									33,500,000		6,500,000	7,500,000	12,500,000	40,000,000		60,000,000
Common shares issued upon conversion										6,559,251		1,293,224	1,500,000	2,142,709	7,121,120
Loss on debt conversion												600,000
Debt extinguishment costs											$ 3,000,000		$ 400,000		$ 3,000,000

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