| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/21/13 | 4/A | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/21/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/21/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/21/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/20/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/15/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/15/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/15/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/15/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/15/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
