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Property, Plant and Equipment, Net (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Property, plant and equipment [Abstract]      
Property, plant and equipment, gross $ 79,942 $ 79,357  
Less: accumulated depreciation and amortization (48,520) (45,495)  
Property, plant and equipment, net 31,422 33,862  
Depreciation and amortization expense 5,494 5,639 $ 5,470
Building [Member]      
Property, plant and equipment [Abstract]      
Property, plant and equipment, gross 30,388 30,469  
Machinery and equipment [Member]      
Property, plant and equipment [Abstract]      
Property, plant and equipment, gross 40,899 41,900  
Leasehold and Building Improvements [Member]      
Property, plant and equipment [Abstract]      
Property, plant and equipment, gross 5,059 5,070  
Construction in progress [Member]      
Property, plant and equipment [Abstract]      
Property, plant and equipment, gross $ 3,596 $ 1,918