| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/18/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/11/13 | PRE 14A | Preliminary proxy statement not related to a contested matter or merger/acquisition |
|
69 | |
| 04/10/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/10/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/10/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/10/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/01/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/01/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/01/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/01/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
