v2.4.0.8
E. Property, Plant and Equipment (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Property, plant and equipment, gross $ 58,407 $ 49,072  
Less accumulated depreciation and amortization (28,145) (24,967) (22,556)
Property, plant and equipment 30,262 24,105  
Construction in progress 139 0  
Land 733 733  
Property, plant and equipment, net 31,134 24,838  
Land Improvements [Member]
     
Property, plant and equipment, gross 103 93  
Building and Building Improvements [Member]
     
Property, plant and equipment, gross 16,016 15,239  
Machinery and Equipment [Member]
     
Property, plant and equipment, gross 37,490 29,977  
Furniture and Fixtures [Member]
     
Property, plant and equipment, gross 1,047 739  
Computer Equipment and Software [Member]
     
Property, plant and equipment, gross 3,563 2,851  
Transportation Equipment [Member]
     
Property, plant and equipment, gross $ 188 $ 173