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Acquisition of Brabant - Purchase Price Allocation (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Oct. 24, 2014
Business Acquisition [Line Items]
Goodwill	$ 6,234us-gaap_Goodwill	$ 0us-gaap_Goodwill
Brabant Pharma Limited [Member]
Business Acquisition [Line Items]
Cash and cash equivalents			0
Prepaid expenses and other current assets			0
Property and equipment			0
Intangible assets			103
Goodwill			6
Accounts payable			0
Deferred tax liability			(21)
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net			$ 88