| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/19/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 03/19/13 | Initial statement of beneficial ownership of securities |
|
1 | ||
| 02/27/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/27/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/27/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/27/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/27/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 01/03/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 12/27/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 12/27/12 | Statement of changes in beneficial ownership of securities |
|
2 |