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Property and Equipment
6 Months Ended
Jun. 30, 2011
Property and Equipment [Abstract]  
PROPERTY AND EQUIPMENT
NOTE 4. PROPERTY AND EQUIPMENT
Property and equipment is stated at cost and depreciated using the straight-line method over the estimated useful lives of the related assets and consist of the following (in thousands):
                 
    June 30,     December 31,  
    2011     2010  
Equipment (useful life 3 - 15 years)
  $ 5,917     $ 6,328  
Tooling (useful life 2 - 5 years)
    2,441       2,507  
Furniture and fixtures (useful life 5 years)
    143       161  
Computer software (useful life 3 years)
    375       373  
Leasehold improvements (the shorter of useful life or lease life)
    625       909  
Construction in progress
    76       14  
 
           
Property and equipment at cost
    9,577       10,292  
Less: accumulated depreciation
    (7,259 )     (7,846 )
 
           
Property and equipment, net
  $ 2,318     $ 2,446