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Accounts Receivable (Tables)
 12 Months Ended
Dec. 31, 2013
Accounts Receivable [Abstract]  
Accounts Receivable
Our accounts receivable represent amounts due to Progenics from collaborators, royalties, research grants and the sales of research reagents and as of December 31, 2013 and 2012, consisted of the following:

 
 
2013
  
2012
 
Collaborators
 
$
12
  
$
6,125
 
Royalties
  
2,862
   
781
 
Research grants
  
-
   
12
 
Other
  
12
   
19
 
 
  
2,886
   
6,937
 
Less, allowance for doubtful accounts
  
(7
)
  
-
 
Total
 
$
2,879
  
$
6,937