Business Combination (Details) (MuGard Rights, USD $)	0 Months Ended	1 Months Ended	12 Months Ended
	Jun. 06, 2013	Jun. 30, 2013	Dec. 31, 2013
Assets Acquired
Acquired finite-lived intangible assets	$ 16,900,000		$ 16,800,000
Access
Business Combination
Upfront payment in consideration of license		3,300,000
Consideration:
Cash	3,434,000
Acquisition-related contingent consideration	13,700,000
Total consideration	17,134,000
Fair value inputs
Period over which estimated undiscounted royalty amounts could be paid			10 years
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 | Significant Unobservable Inputs (Level 3)
Fair value inputs
Discount rate (as a percent)			19.00%
Access | Recurring basis | Significant Unobservable Inputs (Level 3)
Fair value inputs
Discount rate (as a percent)			15.00%
Access | Minimum
Fair value inputs
Estimated undiscounted royalty amounts payable			28,000,000
Access | Maximum
Fair value inputs
Estimated undiscounted royalty amounts payable			$ 34,000,000