| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/07/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/07/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/04/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/04/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 01/30/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/30/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/30/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/29/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 01/28/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/28/13 | Statement of changes in beneficial ownership of securities |
|
1 |