Subsequent Events (Details) $ in Thousands	Jan. 31, 2017 USD ($) country item	Dec. 17, 2014 USD ($)
Subsequent Event [Line Items]
Consideration paid in cash		$ 54,552
Subsequent Event [Member] | Vertex-Global Holding B.V. [Member]
Subsequent Event [Line Items]
Acquired ownership percentage	100.00%
Fair value of consideration paid	$ 37,562
Consideration paid in cash	34,342
Consideration paid in shares	$ 3,220
Number of devoloped materials acquired | item	12
Number of countries of regulatory approval for use of materials | country	70