| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/01/13 | 3 | Initial statement of beneficial ownership of securities |
|
1 | |
| 01/23/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/22/13 | 3 | Initial statement of beneficial ownership of securities |
|
1 | |
| 11/21/12 | 4/A | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/21/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 09/26/12 | 4 | Statement of changes in beneficial ownership of securities |
|
4 | |
| 08/23/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 08/23/12 | 4/A | Statement of changes in beneficial ownership of securities |
|
3 | |
| 08/15/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 08/15/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
