| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/23/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 05/14/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 05/10/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 04/09/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 04/02/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 04/02/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 04/02/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 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 |