| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| DEF 14C | Open Document | Open Filing | DEF 14C | 31 Oct 2024 | 01 Nov 2024 | 000-15976 |
| PRE 14C | Open Document | Open Filing | PRE 14C | 11 Oct 2024 | 11 Oct 2024 | 000-15976 |
| 15-12G | Open Document | Open Filing | 15-12G | 13 Sep 2024 | 000-15976 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 13 Jun 2024 | 30 Apr 2024 | 000-15976 |
| 10-K | Open Document | Data | Open Filing | 10-K | 29 Apr 2024 | 31 Jan 2024 | 000-15976 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 14 Dec 2023 | 31 Oct 2023 | 000-15976 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 19 Sep 2023 | 31 Jul 2023 | 000-15976 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | 15 Sep 2023 | 31 Jul 2023 | 000-15976 |
| 8-K | Open Document | Data | Open Filing | 8-K | 13 Sep 2023 | 08 Sep 2023 | 000-15976 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 14 Jun 2023 | 30 Apr 2023 | 000-15976 |
| 10-K | Open Document | Data | Open Filing | 10-K | 26 Apr 2023 | 31 Jan 2023 | 000-15976 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 09 Dec 2022 | 31 Oct 2022 | 000-15976 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 13 Sep 2022 | 31 Jul 2022 | 000-15976 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 10 Jun 2022 | 30 Apr 2022 | 000-15976 |
| 10-K | Open Document | Data | Open Filing | 10-K | 14 Apr 2022 | 31 Jan 2022 | 000-15976 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 07 Dec 2021 | 31 Oct 2021 | 000-15976 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 14 Sep 2021 | 31 Jul 2021 | 000-15976 |
| 8-K | Open Document | Data | Open Filing | 8-K | 21 Jun 2021 | 16 Jun 2021 | 000-15976 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 11 Jun 2021 | 30 Apr 2021 | 000-15976 |
| 10-K | Open Document | Data | Open Filing | 10-K | 12 Apr 2021 | 31 Jan 2021 | 000-15976 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 25 Nov 2020 | 31 Oct 2020 | 000-15976 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 11 Sep 2020 | 31 Jul 2020 | 000-15976 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 12 Jun 2020 | 30 Apr 2020 | 000-15976 |
| 10-K | Open Document | Data | Open Filing | 10-K | 14 May 2020 | 31 Jan 2020 | 000-15976 |
| NT 10-K | Open Document | Open Filing | NT 10-K | 01 May 2020 | 31 Jan 2020 | 000-15976 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 05 Dec 2019 | 31 Oct 2019 | 000-15976 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 10 Sep 2019 | 31 Jul 2019 | 000-15976 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 12 Jun 2019 | 30 Apr 2019 | 000-15976 |
| 10-K | Open Document | Data | Open Filing | 10-K | 09 Apr 2019 | 31 Jan 2019 | 000-15976 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 07 Dec 2018 | 31 Oct 2018 | 000-15976 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 07 Sep 2018 | 31 Jul 2018 | 000-15976 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 13 Jun 2018 | 30 Apr 2018 | 000-15976 |
| 10-K | Open Document | Data | Open Filing | 10-K | 16 Apr 2018 | 31 Jan 2018 | 000-15976 |
| 10-K/A | Open Document | Data | Open Filing | 10-K/A | 05 Feb 2018 | 31 Jan 2017 | 000-15976 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 14 Dec 2017 | 31 Oct 2017 | 000-15976 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 06 Sep 2017 | 31 Jul 2017 | 000-15976 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 13 Jun 2017 | 30 Apr 2017 | 000-15976 |
| 10-K | Open Document | Data | Open Filing | 10-K | 21 Apr 2017 | 31 Jan 2017 | 000-15976 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 09 Dec 2016 | 31 Oct 2016 | 000-15976 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 31 Aug 2016 | 31 Jul 2016 | 000-15976 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 14 Jun 2016 | 30 Apr 2016 | 000-15976 |
| 10-K | Open Document | Data | Open Filing | 10-K | 02 May 2016 | 31 Jan 2016 | 000-15976 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 14 Dec 2015 | 31 Oct 2015 | 000-15976 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 04 Sep 2015 | 31 Jul 2015 | 000-15976 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 03 Jun 2015 | 30 Apr 2015 | 000-15976 |
| 10-K | Open Document | Data | Open Filing | 10-K | 01 May 2015 | 31 Jan 2015 | 000-15976 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 15 Dec 2014 | 31 Oct 2014 | 000-15976 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 29 Aug 2014 | 31 Jul 2014 | 000-15976 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 16 Jun 2014 | 30 Apr 2014 | 000-15976 |
| 10-K | Open Document | Data | Open Filing | 10-K | 24 Apr 2014 | 31 Jan 2014 | 000-15976 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 25 Nov 2013 | 31 Oct 2013 | 000-15976 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 06 Sep 2013 | 31 Jul 2013 | 000-15976 |
| 4 | Open Document | Open Filing | MAIN DOCUMENT DESCRIPTION | 09 Aug 2013 | 07 Aug 2013 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 13 Jun 2013 | 30 Apr 2013 | 000-15976 |
| SC 13G | Open Document | Open Filing | SC 13G | 28 May 2013 | 005-37514 | |
| 10-K | Open Document | Data | Open Filing | 10-K | 10 May 2013 | 31 Jan 2013 | 000-15976 |
| NT 10-K | Open Document | Open Filing | NT 10-K | 01 May 2013 | 31 Jan 2013 | 000-15976 |
| SC 13G | Open Document | Open Filing | 14 Feb 2013 | 005-37514 | ||
| 10-Q | Open Document | Data | Open Filing | 10-Q | 17 Dec 2012 | 31 Oct 2012 | 000-15976 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 14 Sep 2012 | 31 Jul 2012 | 000-15976 |
| UPLOAD | Open Document | Open Filing | 04 Sep 2012 | |||
| CORRESP | Open Document | Open Filing | 24 Aug 2012 | |||
| CORRESP | Open Document | Open Filing | 24 Aug 2012 | |||
| 10-12G/A | Open Document | Open Filing | 10-12G/A | 24 Aug 2012 | 000-15976 | |
| 3 | Open Document | Open Filing | MAIN DOCUMENT DESCRIPTION | 23 Aug 2012 | 17 Aug 2012 | |
| UPLOAD | Open Document | Open Filing | 21 Aug 2012 | |||
| 3 | Open Document | Open Filing | MAIN DOCUMENT DESCRIPTION | 17 Aug 2012 | 17 Aug 2012 | |
| 3 | Open Document | Open Filing | MAIN DOCUMENT DESCRIPTION | 17 Aug 2012 | 17 Aug 2012 | |
| 3 | Open Document | Open Filing | MAIN DOCUMENT DESCRIPTION | 17 Aug 2012 | 17 Aug 2012 | |
| 3 | Open Document | Open Filing | MAIN DOCUMENT DESCRIPTION | 17 Aug 2012 | 17 Aug 2012 | |
| 3 | Open Document | Open Filing | MAIN DOCUMENT DESCRIPTION | 17 Aug 2012 | 17 Aug 2012 | |
| CORRESP | Open Document | Open Filing | 09 Aug 2012 | |||
| 10-12G/A | Open Document | Open Filing | FORM 10-12G/A | 09 Aug 2012 | 000-15976 | |
| UPLOAD | Open Document | Open Filing | 17 Jul 2012 | |||
| 10-12G | Open Document | Open Filing | FORM 10 | 18 Jun 2012 | 000-15976 |