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Property and Equipment
 12 Months Ended
Dec. 31, 2017
Property and Equipment [Abstract]  
Property and Equipment
Note 3. Property and Equipment

Property and equipment are stated at cost, less accumulated depreciation, and consist of the following as of December 31, 2017 and 2016 (in thousands):
 
  
December 31,
 
  
2017
  
2016
 
Computer equipment and software
 
$
6,935
  
$
7,145
 
Furniture and office equipment
  
142
   
165
 
Leasehold improvements
  
348
   
359
 
Construction in progress
  
—
   
—
 
   
7,425
   
7,669
 
Accumulated depreciation
  
(6,292
)
  
(5,963
)
  
$
1,133
  
$
1,706
 
 
Depreciation expense was $628,000 and $720,000 for the years ended December 31, 2017 and 2016, respectively.