| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/13/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities |
|
1 | |
| 03/01/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/29/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/28/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/24/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/24/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/24/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/24/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/02/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities |
|
1 | |
| 01/23/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities |
|
1 |