| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/03/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 04/02/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 04/02/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 03/28/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 03/28/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 03/11/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 03/11/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 03/05/13 | Preliminary proxy statement not related to a contested matter or merger/acquisition |
|
111 | ||
| 03/04/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 03/01/13 | Statement of changes in beneficial ownership of securities |
|
1 |