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Note 4 - Property and Equipment
9 Months Ended
Sep. 30, 2012
Property, Plant and Equipment Disclosure [Text Block]
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 consists of the following (in thousands):

   
September 30,
2012
   
December 31,
2011
 
             
Equipment (useful life 3 - 15 years)
  $ 5,847     $ 5,831  
Tooling (useful life 2 - 5 years)
    2,481       2,440  
Furniture and fixtures (useful life 5 years)
    132       129  
Computer software (useful life 3 years)
    462       431  
Leasehold improvements (the shorter of useful life or lease life)
    632       630  
Construction in progress
    110       27  
Property and equipment at cost
    9,664       9,488  
Less: accumulated depreciation
    (7,877 )     (7,383 )
Property and equipment, net
  $ 1,787     $ 2,105