| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 10-K | Open Document | Data | Open Filing | FORM 10-K | 31 Mar 2023 | 31 Dec 2022 | 001-06471 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 27 Dec 2022 | 21 Dec 2022 | 001-06471 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | 14 Nov 2022 | 30 Sep 2022 | 001-06471 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | 12 Aug 2022 | 30 Jun 2022 | 001-06471 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | 13 May 2022 | 31 Mar 2022 | 001-06471 |
| 10-K | Open Document | Data | Open Filing | FORM 10-K | 31 Mar 2022 | 31 Dec 2021 | 001-06471 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | 15 Nov 2021 | 30 Sep 2021 | 001-06471 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | 13 Aug 2021 | 30 Jun 2021 | 001-06471 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 14 May 2021 | 31 Mar 2021 | 001-06471 |
| 10-K | Open Document | Data | Open Filing | ANNUAL REPORT | 31 Mar 2021 | 31 Dec 2020 | 001-06471 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | 13 Nov 2020 | 30 Sep 2020 | 001-06471 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | 14 Aug 2020 | 30 Jun 2020 | 001-06471 |
| 8-K | Open Document | Open Filing | CURRENT REPORT | 02 Jul 2020 | 29 Jun 2020 | 001-06471 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | 29 Jun 2020 | 31 Mar 2020 | 001-06471 |
| 10-K | Open Document | Data | Open Filing | ANNUAL REPORT | 12 Mar 2020 | 31 Dec 2019 | 001-06471 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | 12 Nov 2019 | 30 Sep 2019 | 001-06471 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | 14 Aug 2019 | 30 Jun 2019 | 001-06471 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | 15 May 2019 | 31 Mar 2019 | 001-06471 |
| 8-K | Open Document | Open Filing | CURRENT REPORT | 17 Apr 2019 | 12 Apr 2019 | 001-06471 |
| 10-K | Open Document | Data | Open Filing | ANNUAL REPORT | 25 Feb 2019 | 31 Dec 2018 | 001-06471 |
| 8-K | Open Document | Open Filing | CURRENT REPORT | 06 Dec 2018 | 30 Nov 2018 | 001-06471 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | 09 Nov 2018 | 30 Sep 2018 | 001-06471 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | 20 Aug 2018 | 30 Jun 2018 | 001-06471 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | 14 Aug 2018 | 30 Jun 2018 | 001-06471 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | 11 May 2018 | 31 Mar 2018 | 001-06471 |
| 10-K | Open Document | Data | Open Filing | ANNUAL REPORT | 23 Mar 2018 | 31 Dec 2017 | 001-06471 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | 13 Nov 2017 | 30 Sep 2017 | 001-06471 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | 14 Aug 2017 | 30 Jun 2017 | 001-06471 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | 15 May 2017 | 31 Mar 2017 | 001-06471 |
| 10-K | Open Document | Data | Open Filing | ANNUAL REPORT | 31 Mar 2017 | 31 Dec 2016 | 001-06471 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | 09 Nov 2016 | 30 Sep 2016 | 001-06471 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | 15 Aug 2016 | 30 Jun 2016 | 001-06471 |
| 8-K | Open Document | Open Filing | CURRENT REPORT | 23 Jun 2016 | 17 Jun 2016 | 001-06471 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | 12 May 2016 | 31 Mar 2016 | 001-06471 |
| 10-K | Open Document | Data | Open Filing | ANNUAL REPORT | 22 Mar 2016 | 31 Dec 2015 | 001-06471 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | 13 Nov 2015 | 30 Sep 2015 | 001-06471 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | 14 Aug 2015 | 30 Jun 2015 | 001-06471 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | 15 May 2015 | 31 Mar 2015 | 001-06471 |
| 10-K | Open Document | Data | Open Filing | ANNUAL REPORT | 31 Mar 2015 | 31 Dec 2014 | 001-06471 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | 14 Nov 2014 | 30 Sep 2014 | 001-06471 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | 14 Aug 2014 | 30 Jun 2014 | 001-06471 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | 14 May 2014 | 31 Mar 2014 | 001-06471 |
| 10-K | Open Document | Data | Open Filing | ANNUAL REPORT | 31 Mar 2014 | 31 Dec 2013 | 001-06471 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | 14 Nov 2013 | 30 Sep 2013 | 001-06471 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | 14 Aug 2013 | 30 Jun 2013 | 001-06471 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | 14 May 2013 | 31 Mar 2013 | 001-06471 |
| ARS | Open Document | Open Filing | AUTO-GENERATED PAPER DOCUMENT | 01 May 2013 | 31 Dec 2012 | 001-06471 |
| 10-K | Open Document | Data | Open Filing | FORM 10-K | 29 Mar 2013 | 31 Dec 2012 | 001-06471 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | 14 Nov 2012 | 30 Sep 2012 | 001-06471 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | 13 Aug 2012 | 30 Jun 2012 | 001-06471 |
| 10-Q | Open Document | Data | Open Filing | 14 May 2012 | 31 Mar 2012 | 001-06471 | |
| 10-K | Open Document | Data | Open Filing | 30 Mar 2012 | 31 Dec 2011 | 001-06471 |