| Filing Date | Form Type | Description |
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|---|---|---|---|
| Apr 01, 2019 | 10-K | Annual report |
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| Mar 22, 2013 | 10-K/A | Annual report (Amendment) |
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xbrl
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| Apr 04, 2014 | 10-K/A | Annual report (Amendment) |
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| May 02, 2016 | 10-K/A | Annual report (Amendment) |
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pdf
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| Apr 26, 2019 | 10-K/A | Annual report (Amendment) |
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| Jul 03, 2019 | 10-K/A | Annual report (Amendment) |
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xbrl
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| May 18, 2012 | 5 | Annual statement of changes in beneficial ownership of securities |
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| Jan 21, 2009 | 5 | Annual statement of changes in beneficial ownership of securities |
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| Jan 21, 2009 | 5 | Annual statement of changes in beneficial ownership of securities |
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| Mar 24, 2006 | 5 | Annual statement of changes in beneficial ownership of securities |
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