| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/30/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/30/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/30/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/30/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/30/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/11/12 | ARS | Annual report to security holders |
|
139 | |
| 04/11/12 | DEF 14A | Definitive proxy statements |
|
47 | |
| 03/26/12 | S-3ASR | Automatic shelf registration statement of securities of well-known seasoned issuers |
|
228 | |
| 03/22/12 | 8-K | Current report filing |
|
3 | |
| 03/20/12 | PRE 14A | Preliminary proxy statement not related to a contested matter or merger/acquisition |
|
47 |
