| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/02/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 03/29/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 03/12/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/27/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/27/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/27/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/27/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/27/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/27/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/27/13 | Statement of changes in beneficial ownership of securities |
|
1 |