| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/09/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/09/11 | CORRESP | A correspondence can be sent as a document with another submission type or can be sent as a separate submission. |
|
1 | |
| 01/31/11 | 4/A | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/31/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/31/11 | UPLOAD | SEC-generated letter |
|
1 | |
| 01/26/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/26/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/26/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/26/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/26/11 | 8-K | Current report filing |
|
4 |