| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/01/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/01/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/26/13 | Quarterly report pursuant to Section 13 or 15(d) |
|
  |
190 | |
| 04/26/13 | SEC-generated letter |
|
1 | ||
| 04/25/13 | A correspondence can be sent as a document with another submission type or can be sent as a separate submission. |
|
4 | ||
| 04/25/13 | Definitive proxy statements |
|
65 |