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Goodwill and Intangible Assets, Net (Intangible Assets, Net) (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Goodwill and Intangible Assets, Net [Abstract]    
Patent registration costs $ 2,077 $ 1,959
IPR&D 1,002 1,002
Intangible assets at cost 3,079 2,961
Accumulated amortization and impairment 2,284 2,033
Total intangible assets, net $ 795 $ 928