| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/23/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/15/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/11/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/09/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/15/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/14/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/08/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/06/13 | Annual statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/05/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/05/13 | Statement of changes in beneficial ownership of securities |
|
2 |
