Contingent Liabilities and Commitments (Details Textual) - USD ($) $ in Thousands		1 Months Ended	12 Months Ended
	Aug. 01, 2015	Dec. 31, 2014	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Commitments And Contingencies [Line Items]
Commitments to purchase services		$ 22,500	$ 22,500
Operating leases, rent expense, net			970	$ 752	$ 844
Recipharm AB
Commitments And Contingencies [Line Items]
Commitments to purchase services					$ 22,500
Purchase commitment, period					5 years
Inventories | Contract Manufacturer A
Commitments And Contingencies [Line Items]
Purchase commitment, amount			$ 7,238
Purchase commitment, period			1 year
Inventories | Contract Manufacturer B
Commitments And Contingencies [Line Items]
Purchase commitment, period	20 years