| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 07/03/12 | Statement of changes in beneficial ownership of securities |   | 2 | ||
| 07/03/12 | Statement of changes in beneficial ownership of securities |   | 2 | ||
| 06/27/12 | Current report filing |   | 159 | ||
| 06/22/12 | Current report filing |   | 39 | ||
| 06/22/12 | Prospectus filed pursuant to Rule 424(b)(5) |   | 49 | ||
| 06/21/12 | Automatic shelf registration statement of securities of well-known seasoned issuers |   | 25 | ||
| 06/21/12 | Automatic shelf registration statement of securities of well-known seasoned issuers |   | 64 | ||
| 06/20/12 | Statement of changes in beneficial ownership of securities |   | 2 | ||
| 06/15/12 | SEC-generated letter |   | 1 | ||
| 06/13/12 | A correspondence can be sent as a document with another submission type or can be sent as a separate submission. |   | 3 |