Related Party Transactions (Tables)
9 Months Ended
Sep. 30, 2013
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

 

Nine Months Ended

 

 

 

September 30,

 

September 30,

 

 

 

2012

 

2013

 

2012

 

2013

 

Company 1

 

$

747

 

$

694

 

$

1,567

 

$

2,059

 

Company 2

 

211

 

 

813

 

128

 

Company 3

 

372

 

262

 

1,139

 

748

 

Company 4

 

368

 

4

 

784

 

423

 

 

 

$

1,698

 

$

960

 

$

4,303

 

$

3,358