| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/30/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/30/13 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 05/24/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/23/13 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 05/22/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/07/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/06/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/03/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/01/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/29/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |