| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/14/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 03/12/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/21/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/19/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/14/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/14/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/14/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/14/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/14/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/12/13 | Statement of changes in beneficial ownership of securities |
|
1 |