| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/09/12 | A correspondence can be sent as a document with another submission type or can be sent as a separate submission. |
|
3 | ||
| 01/05/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/05/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/05/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/05/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/05/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/05/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/05/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/05/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 12/23/11 | SEC-generated letter |
|
3 |