| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/15/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/15/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/15/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/15/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/12/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/12/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/07/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/04/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/03/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/03/13 | Statement of changes in beneficial ownership of securities |
|
2 |