| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/21/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/21/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/21/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/21/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/21/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities |
|
1 | |
| 01/27/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities |
|
1 | |
| 01/26/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities |
|
1 | |
| 01/26/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities |
|
1 | |
| 12/16/11 | 4 | Form 4: Statement of changes in beneficial ownership of securities |
|
1 | |
| 12/16/11 | 4 | Form 4: Statement of changes in beneficial ownership of securities |
|
1 |
