| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/13/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/13/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/13/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/02/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/02/11 | 4 | 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 | 4 | 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 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/28/11 | 4/A | Statement of changes in beneficial ownership of securities |
|
2 |
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