| Form | Description | Filing Group |
| 05/14/13 | 8-K | Report of unscheduled material events or corporate event | Current Reports |
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| 05/02/13 | 10-Q | Quarterly report which provides a continuing view of a company's financial position | Quarterly Filings |
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| 05/02/13 | 8-K | Report of unscheduled material events or corporate event | Current Reports |
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| 04/09/13 | 4/A | Amendment to a previously filed 4 | 3,4,5 |
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| 03/29/13 | 4/A | Amendment to a previously filed 4 | 3,4,5 |
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| 03/04/13 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 |
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| 02/20/13 | 8-K | Report of unscheduled material events or corporate event | Current Reports |
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| 02/04/13 | 8-K | Report of unscheduled material events or corporate event | Current Reports |
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| 01/31/13 | 10-Q | Quarterly report which provides a continuing view of a company's financial position | Quarterly Filings |
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| 01/31/13 | 8-K | Report of unscheduled material events or corporate event | Current Reports |
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