| Upgrades & Downgrades History |
|---|
| Date | Research Firm | Action | From | To |
|---|
| Dec 13, 2012 | Maxim Group | Initiated | | Buy | | Nov 13, 2012 | Burrill Institutional Research | Initiated | | Mkt Outperform | | May 10, 2012 | Ladenburg Thalmann | Upgrade | Neutral | Buy | | Apr 3, 2012 | Ladenburg Thalmann | Downgrade | Buy | Neutral | | May 17, 2011 | Oppenheimer | Initiated | | Outperform | | May 6, 2011 | MLV Capital | Initiated | | Buy | | Mar 16, 2011 | JMP Securities | Initiated | | Mkt Outperform | | Mar 1, 2010 | Rodman & Renshaw | Initiated | | Mkt Outperform | | Feb 25, 2010 | Roth Capital | Initiated | | Buy | | Mar 11, 2008 | Banc of America Sec | Downgrade | Buy | Neutral |
| Current Month | Last Month | Two Months Ago | Three Months Ago |
|---|
| Strong Buy | 4 | 4 | 4 | 4 |
|---|
| Buy | 5 | 4 | 4 | 4 |
|---|
| Hold | 0 | 0 | 0 | 0 |
|---|
| Underperform | 0 | 0 | 0 | 0 |
|---|
| Sell | 0 | 0 | 0 | 0 |
|---|
|
Data provided by Thomson/First Call
Currency in USD. |