Date | Form | Description | XBRL | Pages | |
---|---|---|---|---|---|
02/22/12 | 4 | Statement of changes in beneficial ownership of securities | 2 | ||
02/22/12 | 4 | Statement of changes in beneficial ownership of securities | 2 | ||
02/22/12 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
02/16/12 | 4 | Statement of changes in beneficial ownership of securities | 2 | ||
02/15/12 | 4 | Statement of changes in beneficial ownership of securities | 2 | ||
01/25/12 | 4 | Statement of changes in beneficial ownership of securities | 2 | ||
01/19/12 | 4 | Statement of changes in beneficial ownership of securities | 2 | ||
01/13/12 | 4 | Statement of changes in beneficial ownership of securities | 2 | ||
12/27/11 | 4 | Statement of changes in beneficial ownership of securities | 2 | ||
12/20/11 | 4 | Statement of changes in beneficial ownership of securities | 2 |