| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 12/13/11 | 20-F | Form 20-F: Annual and transition report of foreign private issuers [Sections 13 or 15(d)] | 235 | |
| 11/22/11 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 2 | |
| 11/01/11 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 3 | |
| 11/01/11 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 2 | |
| 10/27/11 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 6 | |
| 10/25/11 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 3 | |
| 10/05/11 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 10/05/11 | SC 13D/A | Form SC 13D/A: General Statement of Acquisition of Beneficial Ownership | 8 | |
| 10/04/11 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 2 | |
| 09/20/11 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 3 |