| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/19/13 | Statement of changes in beneficial ownership of securities | PDF | 1 | ||
| 02/19/13 | Statement of changes in beneficial ownership of securities | PDF | 1 | ||
| 02/19/13 | Statement of changes in beneficial ownership of securities | PDF | 1 | ||
| 02/19/13 | Statement of changes in beneficial ownership of securities | PDF | 1 | ||
| 02/19/13 | Statement of changes in beneficial ownership of securities | PDF | 1 | ||
| 02/19/13 | Statement of changes in beneficial ownership of securities | PDF | 1 | ||
| 02/19/13 | Statement of changes in beneficial ownership of securities | PDF | 1 | ||
| 02/19/13 | Statement of changes in beneficial ownership of securities | PDF | 1 | ||
| 02/19/13 | Statement of changes in beneficial ownership of securities | PDF | 1 | ||
| 02/19/13 | Statement of changes in beneficial ownership of securities | PDF | 1 |