| Date Filed | Type | Description |
| 03/07/2023 |
10-K
| Annual Report for the period ended December 31, 2022 |
| 03/16/2022 |
10-K
| Annual Report for the period ended December 31, 2021 |
| 03/08/2021 |
10-K
| Annual Report for the period ended December 31, 2020 |
| 03/06/2020 |
10-K
| Annual Report for the period ended December 31, 2019 |
| 03/08/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 03/14/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 03/10/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 05/31/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 05/27/2016 |
10-K/A
| Annual Report for the period ended December 31, 2013 [amend] |
| 11/10/2015 |
10-K/A
| Annual Report for the period ended December 31, 2014 [amend] |
| 04/15/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 04/17/2014 |
10-K/A
| Annual Report for the period ended December 31, 2013 [amend] |
| 04/16/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 06/17/2013 |
10-K/A
| Annual Report for the period ended February 28, 2013 [amend] |
| 06/13/2013 |
10-K
| Annual Report for the period ended February 28, 2013 |
| 06/25/2012 |
10-K/A
| Annual Report for the period ended February 29, 2012 [amend] |
| 06/14/2012 |
10-K
| Annual Report for the period ended February 29, 2012 |