| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Sep 15, 2025 | Jul 31, 2025 | 000-54803 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Jun 16, 2025 | Apr 30, 2025 | 000-54803 |
| 10-K | Open Document | Data | Open Filing | FORM 10-K | May 15, 2025 | Jan 31, 2025 | 000-54803 |
| NT 10-K | Open Document | Open Filing | NT 10-K | May 1, 2025 | Jan 31, 2025 | 000-54803 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Apr 4, 2025 | Apr 2, 2025 | 000-54803 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Dec 16, 2024 | Oct 31, 2024 | 000-54803 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Oct 30, 2024 | Jul 31, 2024 | 000-54803 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Oct 30, 2024 | Apr 30, 2024 | 000-54803 |
| 10-K | Open Document | Data | Open Filing | FORM 10-K | Oct 16, 2024 | Jan 31, 2024 | 000-54803 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | May 24, 2024 | May 22, 2024 | 000-54803 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | May 9, 2024 | May 3, 2024 | 000-54803 |
| NT 10-K | Open Document | Open Filing | NT 10-K | May 1, 2024 | Jan 31, 2024 | 000-54803 |
| D | Open Document | Open Filing | Feb 9, 2024 | 021-504851 | ||
| D | Open Document | Open Filing | Dec 12, 2023 | 021-499328 | ||
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Dec 8, 2023 | Oct 31, 2023 | 000-54803 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Oct 26, 2023 | Oct 26, 2023 | 000-54803 |
| UPLOAD | Open Document | Open Filing | Oct 24, 2023 | |||
| CORRESP | Open Document | Open Filing | Oct 20, 2023 | |||
| UPLOAD | Open Document | Open Filing | Oct 18, 2023 | |||
| 10-12G/A | Open Document | Open Filing | FORM 10-12G/A | Oct 5, 2023 | 000-54803 | |
| UPLOAD | Open Document | Open Filing | Sep 14, 2023 | |||
| 10-12G | Open Document | Open Filing | FORM 10-12G | Aug 17, 2023 | 000-54803 | |
| RW | Open Document | Open Filing | RW | Feb 15, 2023 | 000-54803 | |
| 10-12G | Open Document | Open Filing | 10-12G | Dec 27, 2022 | 000-54803 | |
| REVOKED | Open Document | Open Filing | Oct 7, 2022 | 000-54803 | ||
| 8-K/A | Open Document | Open Filing | 8-K | Sep 22, 2022 | Aug 25, 2022 | 000-54803 |
| 8-K | Open Document | Open Filing | 8-K | Sep 15, 2022 | Aug 25, 2022 | 000-54803 |
| 10-K | Open Document | Data | Open Filing | 10-K | Sep 8, 2022 | Jan 31, 2021 | 000-54803 |
| NT 10-K | Open Document | Open Filing | NT 10-K | May 3, 2021 | Jan 31, 2021 | 000-54803 |
| 8-K | Open Document | Open Filing | 8-K | Feb 4, 2021 | Jan 28, 2021 | 000-54803 |
| 8-K | Open Document | Open Filing | 8-K | Dec 29, 2020 | Dec 23, 2020 | 000-54803 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Dec 21, 2020 | Oct 31, 2020 | 000-54803 |
| 8-K | Open Document | Open Filing | 8-K | Dec 16, 2020 | Dec 8, 2020 | 000-54803 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | Dec 14, 2020 | Oct 31, 2020 | 000-54803 |
| 8-K | Open Document | Open Filing | 8-K | Dec 8, 2020 | Dec 3, 2020 | 000-54803 |
| 8-K | Open Document | Open Filing | 8-K | Oct 1, 2020 | Sep 21, 2020 | 000-54803 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Sep 22, 2020 | Jul 31, 2020 | 000-54803 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | Sep 14, 2020 | Jul 31, 2020 | 000-54803 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Jul 20, 2020 | Apr 30, 2020 | 000-54803 |
| 10-K | Open Document | Data | Open Filing | 10-K | Jul 7, 2020 | Jan 31, 2020 | 000-54803 |
| NT 10-K | Open Document | Open Filing | NT 10-K | Apr 30, 2020 | Jan 31, 2020 | 000-54803 |
| 8-K | Open Document | Open Filing | 8-K | Mar 9, 2020 | Mar 3, 2020 | 000-54803 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Dec 16, 2019 | Oct 31, 2019 | 000-54803 |
| 10-Q/A | Open Document | Data | Open Filing | 10-Q/A | Sep 25, 2019 | Jul 31, 2019 | 000-54803 |
| 10-Q | Open Document | Open Filing | 10-Q | Sep 23, 2019 | Jul 31, 2019 | 000-54803 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | Sep 16, 2019 | Jul 31, 2019 | 000-54803 |
| 8-K | Open Document | Open Filing | 8-K | Aug 6, 2019 | Jul 23, 2019 | 000-54803 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Jul 1, 2019 | Apr 30, 2019 | 000-54803 |
| 10-K | Open Document | Data | Open Filing | 10-K | Jun 28, 2019 | Jan 31, 2019 | 000-54803 |
| NT 10-K | Open Document | Open Filing | NT 10-K | May 1, 2019 | Jan 31, 2019 | 000-54803 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Feb 19, 2019 | Oct 31, 2018 | 000-54803 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Feb 19, 2019 | Jul 31, 2018 | 000-54803 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Nov 20, 2018 | Apr 30, 2018 | 000-54803 |
| 10-K | Open Document | Data | Open Filing | 10-K | Nov 19, 2018 | Jan 31, 2018 | 000-54803 |
| NT 10-K | Open Document | Open Filing | NT 10-K | May 1, 2018 | Jan 31, 2018 | 000-54803 |
| 8-K | Open Document | Open Filing | 8-K | Apr 27, 2018 | Apr 24, 2018 | 000-54803 |
| 8-K | Open Document | Open Filing | 8-K | Apr 6, 2018 | Apr 1, 2018 | 000-54803 |
| 10-Q/A | Open Document | Data | Open Filing | 10-Q/A | Dec 22, 2017 | Oct 31, 2017 | 000-54803 |
| 10-Q | Open Document | Open Filing | 10-Q | Dec 20, 2017 | Oct 31, 2017 | 000-54803 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | Dec 15, 2017 | Oct 31, 2017 | 000-54803 |
| 8-K | Open Document | Open Filing | 8-K | Nov 17, 2017 | Nov 14, 2017 | 000-54803 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Nov 3, 2017 | Jul 31, 2017 | 000-54803 |
| 8-K | Open Document | Open Filing | 8-K | Oct 6, 2017 | Sep 22, 2017 | 000-54803 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | Sep 14, 2017 | Jul 31, 2017 | 000-54803 |
| 8-K | Open Document | Open Filing | 8-K | Jun 26, 2017 | Jun 21, 2017 | 000-54803 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Jun 14, 2017 | Apr 30, 2017 | 000-54803 |
| 8-K | Open Document | Open Filing | 8-K | May 24, 2017 | May 2, 2017 | 000-54803 |
| EFFECT | Open Document | Open Filing | May 12, 2017 | 333-215761 | ||
| CORRESP | Open Document | Open Filing | May 10, 2017 | |||
| 8-K | Open Document | Open Filing | 8-K | May 4, 2017 | Apr 16, 2017 | 000-54803 |
| S-1/A | Open Document | Open Filing | S-1/A AMENDMENT NO. 2 | May 3, 2017 | 333-215761 | |
| 10-K | Open Document | Data | Open Filing | 10-K | May 1, 2017 | Jan 31, 2017 | 000-54803 |
| SC 13G | Open Document | Open Filing | SC13G | Apr 20, 2017 | 005-88025 | |
| UPLOAD | Open Document | Open Filing | Mar 23, 2017 | |||
| S-1/A | Open Document | Open Filing | S-1/A | Mar 7, 2017 | 333-215761 | |
| UPLOAD | Open Document | Open Filing | Feb 27, 2017 | |||
| S-1 | Open Document | Open Filing | FORM S-1 | Jan 27, 2017 | 333-215761 | |
| 8-K/A | Open Document | Open Filing | 8-K/A | Jan 27, 2017 | Dec 16, 2016 | 000-54803 |
| 8-K | Open Document | Open Filing | 8-K | Jan 26, 2017 | Jan 15, 2017 | 000-54803 |
| 8-K | Open Document | Open Filing | 8-K | Jan 18, 2017 | Jan 10, 2017 | 000-54803 |
| 10-Q/A | Open Document | Open Filing | FORM 10-Q/A | Dec 28, 2016 | Oct 31, 2016 | 000-54803 |
| 10-Q/A | Open Document | Open Filing | 10-Q/A | Dec 28, 2016 | Jul 31, 2016 | 000-54803 |
| 10-Q/A | Open Document | Open Filing | 10-Q/A AMEND NO. 2 | Dec 28, 2016 | Apr 30, 2016 | 000-54803 |
| 8-K | Open Document | Open Filing | 8-K | Dec 27, 2016 | Dec 16, 2016 | 000-54803 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Dec 2, 2016 | Oct 31, 2016 | 000-54803 |
| S-8 | Open Document | Open Filing | S-8 | Nov 23, 2016 | 333-214781 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Sep 19, 2016 | Jul 31, 2016 | 000-54803 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | Sep 14, 2016 | Jul 31, 2016 | 000-54803 |
| 8-K | Open Document | Open Filing | 8-K | Jul 25, 2016 | Jul 22, 2016 | 000-54803 |
| 10-Q/A | Open Document | Data | Open Filing | 10-Q/A AMENDMENT NO. 1 | Jun 22, 2016 | Apr 30, 2016 | 000-54803 |
| 10-K/A | Open Document | Data | Open Filing | 10-K/A AMENDMENT NO. 2 | Jun 22, 2016 | Jan 31, 2016 | 000-54803 |
| 10-Q | Open Document | Open Filing | 10-Q | Jun 20, 2016 | Apr 30, 2016 | 000-54803 |
| 10-K/A | Open Document | Open Filing | 10-K/A | Jun 20, 2016 | Jan 31, 2016 | 000-54803 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | Jun 14, 2016 | Apr 30, 2016 | 000-54803 |
| 10-K | Open Document | Open Filing | 10-K | May 17, 2016 | Jan 31, 2016 | 000-54803 |
| NT 10-K | Open Document | Open Filing | NT 10-K | May 3, 2016 | Jan 31, 2016 | 000-54803 |
| S-8 | Open Document | Open Filing | S-8 | Apr 4, 2016 | 333-210579 | |
| 8-K | Open Document | Open Filing | 8-K | Mar 10, 2016 | Mar 7, 2016 | 000-54803 |
| 8-K | Open Document | Open Filing | 8-K | Mar 4, 2016 | Feb 26, 2016 | 000-54803 |
| 8-K | Open Document | Open Filing | 8-K | Feb 1, 2016 | Jan 29, 2016 | 000-54803 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 29, 2016 | Dec 17, 2015 | |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 29, 2016 | Dec 17, 2015 | |
| 8-K | Open Document | Open Filing | 8--K | Jan 12, 2016 | Jan 12, 2016 | 000-54803 |
| 8-K | Open Document | Open Filing | FORM 8-K | Dec 24, 2015 | Dec 17, 2015 | 000-54803 |
| 8-K | Open Document | Open Filing | FORM 8-K | Dec 17, 2015 | Dec 11, 2015 | 000-54803 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | Dec 15, 2015 | Oct 31, 2015 | 000-54803 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 11, 2015 | Nov 19, 2015 | |
| PRE 14C | Open Document | Open Filing | ESSI PRE 14C | Dec 8, 2015 | Dec 8, 2015 | 000-54803 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 6, 2015 | Jul 24, 2015 | |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | Sep 17, 2015 | Jul 31, 2015 | 000-54803 |
| NT 10-Q | Open Document | Open Filing | EXTENSION | Sep 15, 2015 | Jul 31, 2015 | 000-54803 |
| 8-K | Open Document | Open Filing | CURRENT REPORT | Sep 9, 2015 | Sep 3, 2015 | 000-54803 |
| 8-K | Open Document | Open Filing | CURRENT REPORT | Sep 2, 2015 | Aug 31, 2015 | 000-54803 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT 04-30-15 | Jun 12, 2015 | Apr 30, 2015 | 000-54803 |
| 10-K | Open Document | Data | Open Filing | ANNUAL REPORT 01-31-2015 | May 1, 2015 | Jan 31, 2015 | 000-54803 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 26, 2015 | Mar 17, 2015 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 7, 2015 | Jan 5, 2015 | |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT 10-31-14 | Dec 15, 2014 | Oct 31, 2014 | 000-54803 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 24, 2014 | Nov 19, 2014 | |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT 07-31-14 | Sep 15, 2014 | Jul 31, 2014 | 000-54803 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 4, 2014 | Jul 15, 2014 | |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT 04-30-2014 | Jun 17, 2014 | Apr 30, 2014 | 000-54803 |
| 10-K | Open Document | Data | Open Filing | ANNUAL REPORT FYE 01-31-14 | May 14, 2014 | Jan 31, 2014 | 000-54803 |
| NT 10-K | Open Document | Open Filing | NT-10K ESSI | May 1, 2014 | Jan 31, 2014 | 000-54803 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 22, 2014 | Apr 14, 2014 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 15, 2014 | Apr 9, 2014 | |
| 8-K | Open Document | Open Filing | CURRENT REPORT | Apr 14, 2014 | Apr 9, 2014 | 000-54803 |
| SC 13D | Open Document | Open Filing | SCHEDULE 13D | Feb 25, 2014 | 005-88025 | |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 24, 2014 | Jan 31, 2014 | |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 24, 2014 | Jan 31, 2014 | |
| 8-K | Open Document | Open Filing | ECOSCIENCE FORM 8-K | Feb 18, 2014 | Feb 14, 2014 | 000-54803 |
| UPLOAD | Open Document | Open Filing | Jan 15, 2014 | |||
| 8-K | Open Document | Open Filing | FORM 8-K CURRENT REPORT | Jan 9, 2014 | Jan 9, 2014 | 000-54803 |