Quarterly report pursuant to Section 13 or 15(d)

Summary of Property, Plant, and Equipment (Detail)

v2.4.0.6
Summary of Property, Plant, and Equipment (Detail) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Property, Plant, and Equipment Disclosure [Line Items]    
Property, plant and equipment, gross $ 8,229 $ 8,027
Accumulated depreciation and amortization (6,613) (6,518)
Property, plant, and equipment, net 1,616 1,509
Land
    
Property, Plant, and Equipment Disclosure [Line Items]    
Property, plant and equipment, gross 185 191
Building
    
Property, Plant, and Equipment Disclosure [Line Items]    
Property, plant and equipment, gross 238 246
Leasehold Improvements
    
Property, Plant, and Equipment Disclosure [Line Items]    
Property, plant and equipment, gross 1,201 1,193
Equipment And Computers
    
Property, Plant, and Equipment Disclosure [Line Items]    
Property, plant and equipment, gross 5,439 5,219
Furniture and Fixtures
    
Property, Plant, and Equipment Disclosure [Line Items]    
Property, plant and equipment, gross 1,046 1,046
Construction in Progress
    
Property, Plant, and Equipment Disclosure [Line Items]    
Property, plant and equipment, gross $ 120 $ 132