| Filing Date | Form | Description | Filing Group | Downloads |
| 05/20/13 | 8-K | Report of unscheduled material events or corporate event | Current Reports |
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| 05/08/13 | 10-Q | Quarterly report which provides a continuing view of a company's financial position | Quarterly Filings |
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| 05/07/13 | 8-K | Report of unscheduled material events or corporate event | Current Reports |
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| 04/23/13 | 8-K | Report of unscheduled material events or corporate event | Current Reports |
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| 04/12/13 | D/A | | Other |
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| 04/08/13 | 8-K | Report of unscheduled material events or corporate event | Current Reports |
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| 04/01/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| 03/26/13 | 8-K | Report of unscheduled material events or corporate event | Current Reports |
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| 02/21/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| 02/21/13 | 8-K | Report of unscheduled material events or corporate event | Current Reports |
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