Quarterly report pursuant to Section 13 or 15(d)

Property, Plant and Equipment (Details)

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Property, Plant and Equipment (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Summary of Property, plant and equipment    
Property, plant and equipment, gross $ 8,620 $ 8,312
Accumulated depreciation and amortization (7,295) (7,164)
Property, plant and equipment, net 1,325 1,148
Land [Member]
   
Summary of Property, plant and equipment    
Property, plant and equipment, gross 175 247
Building [Member]
   
Summary of Property, plant and equipment    
Property, plant and equipment, gross 234 317
Leasehold Improvements [Member]
   
Summary of Property, plant and equipment    
Property, plant and equipment, gross 957 957
Equipment and computers [Member]
   
Summary of Property, plant and equipment    
Property, plant and equipment, gross 5,933 5,729
Furniture and Fixtures [Member]
   
Summary of Property, plant and equipment    
Property, plant and equipment, gross 1,042 1,036
Construction in Progress [Member]
   
Summary of Property, plant and equipment    
Property, plant and equipment, gross $ 279 $ 26