| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/07/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/23/12 | DEF 14A | Definitive proxy statements |
|
35 | |
| 02/22/12 | 10-K | Annual report pursuant to Section 13 and 15(d) |
|
   |
76 |
| 02/13/12 | 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 |
|
4 | |
| 11/09/11 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) |
|
|
48 |
| 10/03/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/03/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 09/20/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 09/20/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 09/08/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
