Annual report pursuant to Section 13 and 15(d)

Summary of Property,Plant and Equipment (Detail)

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Summary of Property,Plant and Equipment (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Components of property, plant and equipment, net of depreciation    
Property, plant and equipment, gross $ 8,027 $ 8,312
Accumulated depreciation and amortization (6,518) (7,164)
Property, plant, and equipment, net 1,509 1,148
Land
    
Components of property, plant and equipment, net of depreciation    
Property, plant and equipment, gross 191 247
Building
    
Components of property, plant and equipment, net of depreciation    
Property, plant and equipment, gross 246 317
Leasehold Improvements
    
Components of property, plant and equipment, net of depreciation    
Property, plant and equipment, gross 1,193 957
Equipment And Computers
    
Components of property, plant and equipment, net of depreciation    
Property, plant and equipment, gross 5,219 5,729
Furniture and Fixtures
    
Components of property, plant and equipment, net of depreciation    
Property, plant and equipment, gross 1,046 1,036
Construction in Progress
    
Components of property, plant and equipment, net of depreciation    
Property, plant and equipment, gross $ 132 $ 26