| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 04/02/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 04/02/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/21/13 | 8-K | Form 8-K: Current report filing | 5 | |
| 03/19/13 | 8-K | Form 8-K: Current report filing | 5 | |
| 03/15/13 | DEFA14A | Form DEFA14A: Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 4 | |
| 03/15/13 | DEF 14A | Form DEF 14A: Definitive proxy statements | 74 | |
| 02/28/13 | 10-K | Form 10-K: Annual report pursuant to Section 13 and 15(d) |
|
157 |
| 02/15/13 | 8-K | Form 8-K: Current report filing | 4 | |
| 02/14/13 | 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 | 6 | |
| 02/14/13 | 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 | 4 |