10-K | Annual report which provides a comprehensive overview of the company for the past year | Feb 15, 2018 |       |
SC 13G | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions | Feb 14, 2018 |     |
SC 13G | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions | Feb 14, 2018 |     |
SC 13G | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions | Feb 14, 2018 |     |
SC 13G | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions | Feb 14, 2018 |     |
8-K | Report of unscheduled material events or corporate event | Feb 1, 2018 |     |
4 | Statement of changes in beneficial ownership of securities | Jan 29, 2018 |    |
4 | Statement of changes in beneficial ownership of securities | Jan 29, 2018 |    |
4 | Statement of changes in beneficial ownership of securities | Jan 29, 2018 |    |
4 | Statement of changes in beneficial ownership of securities | Jan 29, 2018 |    |
4 | Statement of changes in beneficial ownership of securities | Jan 29, 2018 |    |
4 | Statement of changes in beneficial ownership of securities | Jan 29, 2018 |    |