Acquisitions (Details 4) - USD ($) $ in Thousands	May. 06, 2014	Jun. 30, 2015	Dec. 31, 2014
Finite Lived Intangible Assets [Line Items]
Gross assets		$ 55,671	$ 55,671
Transcend Products LLC
Finite Lived Intangible Assets [Line Items]
Gross assets	$ 3,249
Transcend Products LLC | Customer relationships
Finite Lived Intangible Assets [Line Items]
Gross assets	$ 168
Economic Useful Life (in years)	3 years 6 months
Transcend Products LLC | Patents
Finite Lived Intangible Assets [Line Items]
Gross assets	$ 2,168
Economic Useful Life (in years)	10 years
Transcend Products LLC | Technology
Finite Lived Intangible Assets [Line Items]
Gross assets	$ 913
Economic Useful Life (in years)	5 years