Business Combination (Details) (USD $)	0 Months Ended	1 Months Ended	3 Months Ended	9 Months Ended
	Jun. 06, 2013	Jun. 30, 2013	Sep. 30, 2013	Sep. 30, 2013
Consideration:
Adjustment in fair value estimate of the contingent liability				$ 279,000
MuGard Rights
Assets Acquired
Acquired finite-lived intangible assets			16,900,000	16,900,000
Access | MuGard Rights
Business Combination
Upfront payment in consideration of license		3,300,000
Consideration:
Cash	3,434,000
Acquisition-related contingent consideration	13,700,000		14,000,000	14,000,000
Total consideration	17,134,000
Adjustment in fair value estimate of the contingent liability	300,000		279,000	300,000
Adjustment in fair value estimate of the intangible asset	300,000
Period over which estimated undiscounted royalty amounts could be paid				10 years
Contingent consideration classified as short-term liability			900,000	900,000
Assets Acquired
Acquired finite-lived intangible assets	16,893,000
Inventory	241,000
Net identifiable assets acquired	17,134,000
Acquisition-related costs				800,000
Access | MuGard Rights | Significant Unobservable Inputs (Level 3)
Fair value inputs
Discount rate (as a percent)			19.00%	19.00%
Access | MuGard Rights | Recurring basis | Significant Unobservable Inputs (Level 3)
Consideration:
Acquisition-related contingent consideration	13,700,000
Fair value inputs
Discount rate (as a percent)			15.00%	15.00%
Access | MuGard Rights | Minimum
Consideration:
Estimated undiscounted royalty amounts payable			28,000,000	28,000,000
Access | MuGard Rights | Maximum
Consideration:
Estimated undiscounted royalty amounts payable			34,000,000	34,000,000
Assets Acquired
Period of MuGuard activity reflected in the condensed consolidated financial statements				4 months
Access | MuGard Rights | Previously reported
Consideration:
Acquisition-related contingent consideration	14,000,000
Assets Acquired
Acquired finite-lived intangible assets	17,200,000
Access | MuGard Rights | Previously reported | Recurring basis | Significant Unobservable Inputs (Level 3)
Consideration:
Acquisition-related contingent consideration	$ 14,000,000