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Property and Equipment
12 Months Ended
Dec. 31, 2011
Property and Equipment [Abstract]  
Property and Equipment
Note 4.  Property and Equipment
 
Property and equipment are stated at cost, less accumulated depreciation, and consist of the following (in thousands):
 
   
December 31,
 
   
2011
  
2010
 
Computer equipment and software
 $4,043  $3,797 
Furniture and office equipment
  340   337 
Leasehold improvements
  399   399 
Construction in progress
  70   69 
    4,852   4,602 
Accumulated depreciation
  (4,391)  (3,979)
   $461  $623 
 
Depreciation expense was $438,000, $323,000, and $580,000, for the years ended December 31, 2011, 2010, and 2009, respectively.