| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/08/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/06/12 | 8-K | Current report filing |
|
39 | |
| 02/06/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/06/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/03/12 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) |
|
   |
17 |
| 01/31/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/31/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/31/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/30/12 | SC 13G | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions |
|
12 | |
| 01/27/12 | DEF 14A | Definitive proxy statements |
|
85 |