| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 01/11/13 | ARS | Form ARS: Annual report to security holders | 106 | |
| 01/11/13 | DEF 14A | Form DEF 14A: Definitive proxy statements | 38 | |
| 01/10/13 | 8-K | Form 8-K: Current report filing | 7 | |
| 01/04/13 | SC 13G/A | Form 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 | 2 | |
| 12/13/12 | 10-K | Form 10-K: Annual report pursuant to Section 13 and 15(d) |
|
117 |
| 12/11/12 | 8-K | Form 8-K: Current report filing | 8 | |
| 12/10/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/04/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 11/13/12 | 5 | Form 5: Annual statement of changes in beneficial ownership of securities | 2 | |
| 09/11/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |
