| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 08/08/13 | 8-K | Form 8-K: Current report | 38 | |
| 07/19/13 | S-3ASR | Form S-3ASR: Automatic shelf registration statement of securities of well-known seasoned issuers | 127 | |
| 05/24/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/24/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/24/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/24/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/24/13 | 8-K | Form 8-K: Current report | 2 | |
| 05/08/13 | 8-K | Form 8-K: Current report | 5 | |
| 05/03/13 | 8-K | Form 8-K: Current report | 23 | |
| 05/03/13 | 424B5 | Form 424B5: Prospectus [Rule 424(b)(5)] | 84 |