| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 06/11/13 | 8-K | Current report filing |
|
15 | |
| 05/09/13 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) |
|
   |
54 |
| 05/06/13 | ARS | Annual report to security holders |
|
1 | |
| 04/22/13 | DEF 14A | Definitive proxy statements |
|
50 | |
| 03/29/13 | 8-K | Current report filing |
|
42 | |
| 03/22/13 | 10-K | Annual report pursuant to Section 13 and 15(d) |
|
|
99 |
| 03/05/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/05/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/05/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/06/13 | 4 | Statement of changes in beneficial ownership of securities |
|
1 |
