| Date | Form | Description | XBRL | |
|---|---|---|---|---|
| 04/11/13 | 8-K | Form 8-K: Current report filing |
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| 04/05/13 | ARS | Form ARS: Annual report to security holders |
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| 04/05/13 | DEFA14A | Form DEFA14A: Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
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| 04/05/13 | DEF 14A | Form DEF 14A: Definitive proxy statements |
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| 04/03/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities |
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| 04/03/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities |
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| 03/29/13 | 8-K | Form 8-K: Current report filing |
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| 03/15/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities |
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| 03/15/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities |
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| 03/15/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities |
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