| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/28/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/28/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/28/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/28/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/28/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/24/12 | Annual report pursuant to Section 13 and 15(d) |
|
 |
144 | |
| 02/24/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/24/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/24/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/24/12 | Statement of changes in beneficial ownership of securities |
|
1 |