| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/13/13 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 3 | |
| 02/05/13 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 2 | |
| 02/05/13 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 3 | |
| 12/07/12 | SC 13D/A | Form SC 13D/A: General Statement of Acquisition of Beneficial Ownership | 16 | |
| 12/07/12 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 3 | |
| 12/05/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/21/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/19/12 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 4 | |
| 11/15/12 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 3 | |
| 11/13/12 | 6-K | Form 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16] | 4 |
