| Date | Form | Description | XBRL |
|---|---|---|---|
| 01/02/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | |
| 01/02/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | |
| 01/02/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | |
| 01/02/13 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | |
| 01/02/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | |
| 12/20/12 | 8-K | Form 8-K: Current report filing | |
| 12/19/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | |
| 12/19/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | |
| 12/19/12 | 3 | Form 3: Initial statement of beneficial ownership of securities | |
| 12/19/12 | 3/A | Form 3/A: Initial statement of beneficial ownership of securities |