| 05/23/12 |
4
|
Statement of changes in beneficial ownership of securities
|
|
|
2 |
| 05/23/12 |
4
|
Statement of changes in beneficial ownership of securities
|
|
|
2 |
| 05/18/12 |
3
|
Initial statement of beneficial ownership of securities
|
|
|
1 |
| 05/18/12 |
3
|
Initial statement of beneficial ownership of securities
|
|
|
1 |
| 05/14/12 |
4
|
Statement of changes in beneficial ownership of securities
|
|
|
2 |
| 05/14/12 |
4
|
Statement of changes in beneficial ownership of securities
|
|
|
2 |
| 05/10/12 |
10-Q
|
Quarterly report pursuant to Section 13 or 15(d)
|
|
   |
32 |
| 04/19/12 |
4
|
Statement of changes in beneficial ownership of securities
|
|
|
2 |
| 04/19/12 |
4
|
Statement of changes in beneficial ownership of securities
|
|
|
2 |
| 04/19/12 |
4
|
Statement of changes in beneficial ownership of securities
|
|
|
2 |