| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/03/13 | Initial statement of beneficial ownership of securities |
|
3 | ||
| 04/30/13 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 04/26/13 | Quarterly report pursuant to Section 13 or 15(d) |
|
  |
32 | |
| 04/25/13 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 04/23/13 | Current report filing |
|
8 | ||
| 04/22/13 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 04/16/13 | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities |
|
20 | ||
| 04/03/13 | Annual report to security holders |
|
87 | ||
| 04/01/13 | Definitive proxy statements |
|
58 | ||
| 04/01/13 | Current report filing |
|
9 |