Related Party Transactions (Tables)
6 Months Ended
Jun. 30, 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

 

Six Months Ended

 

 

 

June 30,

 

June 30,

 

 

 

2013

 

2014

 

2013

 

2014

 

Company 1

 

$

807

 

$

883

 

$

1,365

 

$

1,590

 

Company 2

 

360

 

242

 

486

 

403

 

Company 3

 

134

 

2

 

419

 

2

 

Company 4

 

9

 

 

128

 

 

 

 

$

1,310

 

$

1,127

 

$

2,398

 

$

1,995