| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/02/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 04/12/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 04/08/13 | Annual report to security holders |
|
195 | ||
| 04/05/13 | Definitive proxy statements |
|
111 | ||
| 04/03/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 04/03/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 04/03/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 04/03/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 04/03/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 04/03/13 | Statement of changes in beneficial ownership of securities |
|
1 |