| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/16/12 | 8-K | Current report filing |
|
9 | |
| 02/16/12 | 10-K | Annual report pursuant to Section 13 and 15(d) |
|
   |
263 |
| 02/10/12 | 3 | Initial statement of beneficial ownership of securities |
|
2 | |
| 02/10/12 | SC 13G/A | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions |
|
6 | |
| 02/06/12 | 8-K | Current report filing |
|
3 | |
| 02/03/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/03/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/03/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/03/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/03/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
