| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/18/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 03/18/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 03/18/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 03/18/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 11/21/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 11/21/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 11/21/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 11/16/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 08/16/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 08/16/12 | Statement of changes in beneficial ownership of securities |
|
2 |