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Property, Plant and Equipment, Net (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Property, Plant and Equipment [Line Items]      
Property, plant and equipment $ 4,903 $ 3,975  
Accumulated depreciation (3,424) (2,785)  
Property, plant and equipment, net 1,479 1,190  
Depreciation 639 454 379
Machinery and Equipment [Member]
      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment 4,028 3,240  
Office Furniture and Equipment [Member]
      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment 389 294  
Leasehold Improvements [Member]
      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment $ 486 $ 441