| Filing Date | Form Type | Description |
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|---|---|---|---|
| Mar 20, 2018 | 10-K | Annual report |
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| Mar 11, 2019 | 10-K | Annual report |
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xbrl
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| Apr 13, 2018 | 10-K/A | Annual report (Amendment) |
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pdf
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| Apr 18, 2017 | CERTNAS | Certification by the National Association of Securities Dealers Automated Quotation approving securities for listing |
pdf
|
| May 09, 2017 | CERTNAS | Certification by the National Association of Securities Dealers Automated Quotation approving securities for listing |
pdf
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| May 08, 2017 | CERTNYS | Certification by the New York Stock Exchange approving securities for listing |
pdf
|
| Sep 21, 2016 | DRSLTR | Correspondence Related to Draft Registration Statement |
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| May 12, 2017 | 8-K | Current report |
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pdf
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| Jun 02, 2017 | 8-K | Current report |
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pdf
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| Jun 22, 2017 | 8-K | Current report |
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pdf
|
