| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/01/12 | Quarterly report pursuant to Section 13 or 15(d) |
|
 |
17 | |
| 02/01/12 | Current report filing |
|
5 | ||
| 01/30/12 | Initial statement of beneficial ownership of securities |
|
2 | ||
| 01/23/12 | Current report filing |
|
3 | ||
| 01/10/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 01/10/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 01/09/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 01/09/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 01/09/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 01/05/12 | Statement of changes in beneficial ownership of securities |
|
2 |
