Related Party Transactions (Tables)
3 Months Ended
Mar. 31, 2014
Related Party Transactions  
Schedule of revenue from product sales to companies affiliated with investors

The Company has entered into sales agreements with certain of its investors. The following table sets forth revenue from product sales to companies affiliated with these investors (in thousands):

 

 

 

Three Months Ended

 

 

 

March 31,

 

 

 

2013

 

2014

 

Company 1

 

$

558

 

$

707

 

Company 2

 

126

 

161

 

Company 3

 

285

 

 

Company 4

 

119

 

 

 

 

$

1,088

 

$

868