| 30 Apr 2014 |
| B. Riley FBR |
| Buy |
| Buy |
| maintain |
| 1 May 2013 | Avondale Partners | Market Perform | Perform | maintain |
| 19 Apr 2013 | Barrington Research | Outperform | Perform | downgrade |
| 11 Mar 2013 | Cowen & Co. | Buy | Hold | downgrade |
| 11 Jan 2013 | William Blair | Outperform | Outperform | maintain |
| 22 Oct 2012 | Dahlman Rose | Buy | Buy | maintain |
| 2 May 2012 | Barrington Research | Outperform | Outperform | maintain |