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| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/29/14 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/29/14 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 12/20/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 09/17/13 | Initial statement of beneficial ownership of securities |
|
2 | ||
| 03/20/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 03/20/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 03/11/13 | Initial statement of beneficial ownership of securities |
|
1 | ||
| 03/07/13 | Initial statement of beneficial ownership of securities |
|
1 | ||
| 04/20/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 09/03/10 | Statement of changes in beneficial ownership of securities |
|
2 |