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Research and Development (Tables)
9 Months Ended
Sep. 30, 2013
Research and Development [Abstract]  
Project Research and Development Expenses Incurred and Amounts Funded
The following table summarizes the COTS program research and development expenses incurred and amounts funded by NASA (in millions):

 
 
Third Quarter
  
First Nine Months
  
Inception
 
 
 
2013
  
2012
  
2013
  
2012
  
To Date
 
Research and development costs incurred (1)
 
$
17.4
  
$
21.2
  
$
48.9
  
$
53.5
  
$
529.4
 
Less  amounts funded by NASA
  
(1.5
)
  
(6.0
)
  
(5.3
)
  
(21.5
)
  
(287.5
)(2)
Net research and development expenses
 
$
15.9
  
$
15.2
  
$
43.6
  
$
32.0
  
$
241.9
 
__________________________________________
(1) Includes associated general and administrative expenses.
(2) Through September 30, 2013, the company has received $286 million in cash from NASA and as of September 30, 2013, the company recorded an approximately $2 million receivable due from NASA.