| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/22/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/22/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/22/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/12/13 | Annual statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/12/13 | Annual statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/12/13 | Annual statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/12/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/29/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/02/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/02/13 | Statement of changes in beneficial ownership of securities |
|
1 |