| Date Filed | Type | Description | View |
| 05/14/13 | 8-K | Report of unscheduled material events or corporate event |  |
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| 05/14/13 | 8-K | Report of unscheduled material events or corporate event | |
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| 05/09/13 | 4 | Statement of changes in beneficial ownership of securities | |
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| 05/09/13 | 4 | Statement of changes in beneficial ownership of securities | |
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| 05/09/13 | 4 | Statement of changes in beneficial ownership of securities | |
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| 05/09/13 | 4 | Statement of changes in beneficial ownership of securities | |
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| 05/09/13 | 4 | Statement of changes in beneficial ownership of securities | |
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| 05/09/13 | 4 | Statement of changes in beneficial ownership of securities | |
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| 05/09/13 | 4 | Statement of changes in beneficial ownership of securities | |
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| 05/09/13 | 4 | Statement of changes in beneficial ownership of securities | |
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| 05/07/13 | 10-Q | Quarterly report which provides a continuing view of a company's financial position | |
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| 04/26/13 | PX14A6G | Notice of exempt solicitation. Definitive material | |
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| 04/25/13 | 8-K | Report of unscheduled material events or corporate event | |
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| 04/24/13 | DEFA14A | Additional proxy soliciting materials - definitive | |
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| 04/17/13 | DEFA14A | Additional proxy soliciting materials - definitive | |
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| 04/12/13 | 8-K | Report of unscheduled material events or corporate event | |
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| 04/10/13 | SC 13G/A | An amendment to the SC 13G filing | |
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| 04/03/13 | 4 | Statement of changes in beneficial ownership of securities | |
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| 04/03/13 | 3/A | An amendment to a 3 filing. Non-EDGAR filing | |
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| 04/02/13 | 8-K | Report of unscheduled material events or corporate event | |
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