| 4 | Statement of changes in beneficial ownership of securities | Feb 25, 2019 |  Open Statement of changes in beneficial ownership of securities in HTML. Open Statement of changes in beneficial ownership of securities in DOC file. Open Statement of changes in beneficial ownership of securities in PDF file. Open Statement of changes in beneficial ownership of securities in XLS file. |
| 4 | Statement of changes in beneficial ownership of securities | Feb 25, 2019 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file.Open Statement of changes in beneficial ownership of securities in XLS file. |
| 4 | Statement of changes in beneficial ownership of securities | Feb 25, 2019 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file.Open Statement of changes in beneficial ownership of securities in XLS file. |
| 3 | Initial filing by director officer or owner of more than ten percent. | Feb 25, 2019 | Open Initial filing by director officer or owner of more than ten percent. in HTML.Open Initial filing by director officer or owner of more than ten percent. in DOC file.Open Initial filing by director officer or owner of more than ten percent. in PDF file.Open Initial filing by director officer or owner of more than ten percent. in XLS file. |
| S-3ASR | Automatic shelf registration statement of securities of well-known seasoned issuers | Feb 22, 2019 | Open Automatic shelf registration statement of securities of well-known seasoned issuers in HTML.Open Automatic shelf registration statement of securities of well-known seasoned issuers in DOC file.Open Automatic shelf registration statement of securities of well-known seasoned issuers in PDF file.Open Automatic shelf registration statement of securities of well-known seasoned issuers in XLS file. |
| 4 | Statement of changes in beneficial ownership of securities | Feb 22, 2019 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file.Open Statement of changes in beneficial ownership of securities in XLS file. |
| 4 | Statement of changes in beneficial ownership of securities | Feb 22, 2019 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file.Open Statement of changes in beneficial ownership of securities in XLS file. |
| 4 | Statement of changes in beneficial ownership of securities | Feb 22, 2019 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file.Open Statement of changes in beneficial ownership of securities in XLS file. |
| 4 | Statement of changes in beneficial ownership of securities | Feb 22, 2019 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file.Open Statement of changes in beneficial ownership of securities in XLS file. |
| 4 | Statement of changes in beneficial ownership of securities | Feb 22, 2019 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file.Open Statement of changes in beneficial ownership of securities in XLS file. |
| 4 | Statement of changes in beneficial ownership of securities | Feb 22, 2019 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file.Open Statement of changes in beneficial ownership of securities in XLS file. |
| 4 | Statement of changes in beneficial ownership of securities | Feb 22, 2019 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file.Open Statement of changes in beneficial ownership of securities in XLS file. |
| 4 | Statement of changes in beneficial ownership of securities | Feb 22, 2019 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file.Open Statement of changes in beneficial ownership of securities in XLS file. |
| 4 | Statement of changes in beneficial ownership of securities | Feb 22, 2019 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file.Open Statement of changes in beneficial ownership of securities in XLS file. |
| 10-K | Annual report which provides a comprehensive overview of the company for the past year | Feb 21, 2019 | Open Annual report which provides a comprehensive overview of the company for the past year in HTML.Open Annual report which provides a comprehensive overview of the company for the past year in DOC file.Open Annual report which provides a comprehensive overview of the company for the past year in PDF file.Open Annual report which provides a comprehensive overview of the company for the past year in XLS file. Open Annual report which provides a comprehensive overview of the company for the past year in XBLR Viewer. Open Annual report which provides a comprehensive overview of the company for the past year in XBLR file. |
| 4 | Statement of changes in beneficial ownership of securities | Feb 20, 2019 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file.Open Statement of changes in beneficial ownership of securities in XLS file. |
| 4 | Statement of changes in beneficial ownership of securities | Feb 20, 2019 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file.Open Statement of changes in beneficial ownership of securities in XLS file. |
| 4 | Statement of changes in beneficial ownership of securities | Feb 20, 2019 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file.Open Statement of changes in beneficial ownership of securities in XLS file. |
| 4 | Statement of changes in beneficial ownership of securities | Feb 20, 2019 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file.Open Statement of changes in beneficial ownership of securities in XLS file. |
| 4 | Statement of changes in beneficial ownership of securities | Feb 20, 2019 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file.Open Statement of changes in beneficial ownership of securities in XLS file. |
| 4 | Statement of changes in beneficial ownership of securities | Feb 20, 2019 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file.Open Statement of changes in beneficial ownership of securities in XLS file. |
| 4 | Statement of changes in beneficial ownership of securities | Feb 20, 2019 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file.Open Statement of changes in beneficial ownership of securities in XLS file. |
| 4 | Statement of changes in beneficial ownership of securities | Feb 20, 2019 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file.Open Statement of changes in beneficial ownership of securities in XLS file. |
| SC 13G/A | Amendment to a previously filed SC 13G | Feb 13, 2019 | Open Amendment to a previously filed SC 13G in HTML.Open Amendment to a previously filed SC 13G in DOC file.Open Amendment to a previously filed SC 13G in PDF file.Open Amendment to a previously filed SC 13G in XLS file. |
| SC 13G/A | Amendment to a previously filed SC 13G | Feb 13, 2019 | Open Amendment to a previously filed SC 13G in HTML.Open Amendment to a previously filed SC 13G in DOC file.Open Amendment to a previously filed SC 13G in PDF file.Open Amendment to a previously filed SC 13G in XLS file. |