| 28 Feb 2018 |
| B. Riley |
| Neutral |
| Neutral |
| maintain |
| 28 Feb 2018 | B. Riley FBR | Neutral | Neutral | maintain |
| 13 Dec 2017 | B. Riley | Buy | Neutral | downgrade |
| 13 Dec 2017 | B. Riley FBR | Buy | Neutral | downgrade |
| 1 Jun 2016 | MKM Partners | Buy | Neutral | downgrade |
| 11 Dec 2015 | Barclays | Equal Weight | Equal Weight | maintain |
| 30 Mar 2015 | Macquarie | Outperform | Outperform | maintain |