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Discontinued Operations (Tables)
9 Months Ended
Sep. 30, 2014
Discontinued Operations and Disposal Groups [Abstract]  
Summary of the components of loss from discontinued operations
The following is a summary of the components of loss from discontinued operations for the three and nine months ended September 30, 2013 and 2014 (in thousands):
 
Three Months Ended
 
Nine Months Ended
 
September 30,
 
September 30,
 
2013
 
2014
 
2013
 
2014
Net revenue
$
18

 
$

 
$
40

 
$

Cost of goods sold

 

 
142

 

Gross loss
18

 

 
(102
)
 

Operating expenses:
 
 
 
 
 
 
 
     Research and development

 

 

 

     Sales and marketing

 

 

 

     General and administrative
36

 

 
350

 

     Restructuring charge

 

 

 

          Total operating expenses
36

 

 
350

 

Operating loss
(18
)
 

 
(452
)
 

Other expense, net

 

 

 

Loss from discontinued operations
$
(18
)
 
$

 
$
(452
)
 
$