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| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/20/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 03/18/13 | Current report filing |
|
6 | ||
| 03/18/13 | Quarterly report pursuant to Section 13 or 15(d) |
|
  |
54 | |
| 03/18/13 | Current report filing |
|
9 | ||
| 03/11/13 | Initial statement of beneficial ownership of securities |
|
1 | ||
| 03/07/13 | Initial statement of beneficial ownership of securities |
|
1 | ||
| 03/04/13 | Current report filing |
|
6 | ||
| 02/19/13 | Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
|
2 | ||
| 02/14/13 | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions |
|
3 | ||
| 02/12/13 | Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
|
2 |