| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 10-K | Open Document | Data | Open Filing | 10-K | Jul 18, 2025 | Apr 30, 2025 | 333-215884 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Mar 19, 2025 | Jan 31, 2025 | 333-215884 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Jan 28, 2025 | Oct 31, 2024 | 333-215884 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Dec 4, 2024 | Jul 31, 2024 | 333-215884 |
| 10-K | Open Document | Data | Open Filing | FORM 10-K | Oct 7, 2024 | Apr 30, 2024 | 333-215884 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | May 2, 2024 | Jan 31, 2024 | 333-215884 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Feb 2, 2024 | Oct 31, 2023 | 333-215884 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Nov 30, 2023 | Jul 31, 2023 | 333-215884 |
| 10-K | Open Document | Data | Open Filing | 10-K | Sep 25, 2023 | Apr 30, 2023 | 333-215884 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Jul 3, 2023 | Jan 31, 2023 | 333-215884 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Jun 1, 2023 | Oct 31, 2022 | 333-215884 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | May 15, 2023 | Jul 31, 2022 | 333-215884 |
| 10-K | Open Document | Data | Open Filing | FORM 10-K | Mar 16, 2023 | Apr 30, 2022 | 333-215884 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Dec 16, 2022 | Jan 31, 2022 | 333-215884 |
| NT 10-K | Open Document | Open Filing | 12B-25 APRIL 2022 10K | Nov 28, 2022 | Apr 30, 2022 | 333-215884 |
| NT 10-Q | Open Document | Open Filing | 12B-25 JULY 2022 10Q | Nov 28, 2022 | Jul 31, 2022 | 333-215884 |
| NT 10-Q | Open Document | Open Filing | 12B-25 JANUARY 2022 10-Q | Nov 28, 2022 | Jan 31, 2022 | 333-215884 |
| 8-K/A | Open Document | Data | Open Filing | FORM 8-K/A | Sep 22, 2022 | May 20, 2022 | 333-215884 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Jun 6, 2022 | May 20, 2022 | 333-215884 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Jan 25, 2022 | Jan 24, 2022 | 333-215884 |
| 10-Q/A | Open Document | Data | Open Filing | FORM 10-Q/A | Jan 19, 2022 | Oct 31, 2021 | 333-215884 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Jan 10, 2022 | Oct 31, 2021 | 333-215884 |
| 8-K | Open Document | Open Filing | FORM 8-K | Oct 8, 2021 | Oct 7, 2021 | 333-215884 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Sep 20, 2021 | Jul 31, 2021 | 333-215884 |
| NT 10-Q | Open Document | Open Filing | 12B-25 JULY 2021 10-Q | Sep 14, 2021 | Jul 31, 2021 | 333-215884 |
| 10-K | Open Document | Data | Open Filing | FORM 10-K | Aug 11, 2021 | Apr 30, 2021 | 333-215884 |
| NT 10-K | Open Document | Open Filing | 12B-25 FOR APRIL 2021 10-K | Jul 29, 2021 | Apr 30, 2021 | 333-215884 |
| 10-Q | Open Document | Data | Open Filing | FORM 10Q | Mar 16, 2021 | Jan 31, 2021 | 333-215884 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Dec 17, 2020 | Oct 31, 2020 | 333-215884 |
| NT 10-Q | Open Document | Open Filing | NT FOR OCT. 2020 10-Q | Dec 16, 2020 | Oct 31, 2020 | 333-215884 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | Sep 17, 2020 | Jul 31, 2020 | 333-215884 |
| NT 10-Q | Open Document | Open Filing | 12B-25 JULY 2020 10-Q | Sep 14, 2020 | Sep 14, 2020 | 333-215884 |
| 10-K | Open Document | Data | Open Filing | ANNUAL REPORT | Aug 13, 2020 | Apr 30, 2020 | 333-215884 |
| NT 10-K | Open Document | Open Filing | 12B-25 APRIL 2020 10-K | Jul 28, 2020 | Apr 30, 2020 | 333-215884 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Mar 13, 2020 | Jan 31, 2020 | 333-215884 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Dec 4, 2019 | Oct 31, 2019 | 333-215884 |
| 10-Q | Open Document | Data | Open Filing | Sep 3, 2019 | Jul 31, 2019 | 333-215884 | |
| 10-K | Open Document | Data | Open Filing | Aug 12, 2019 | Apr 30, 2019 | 333-215884 | |
| NT 10-K | Open Document | Open Filing | Jul 29, 2019 | Apr 30, 2019 | 333-215884 | |
| UPLOAD | Open Document | Open Filing | Apr 4, 2019 | |||
| CORRESP | Open Document | Open Filing | Apr 2, 2019 | |||
| 8-K | Open Document | Open Filing | Apr 2, 2019 | Nov 7, 2018 | 333-215884 | |
| UPLOAD | Open Document | Open Filing | Mar 27, 2019 | |||
| 10-Q | Open Document | Data | Open Filing | Mar 25, 2019 | Jan 31, 2019 | 333-215884 | |
| NT 10-Q | Open Document | Open Filing | JAN 2019 10-Q EXTENSION | Mar 18, 2019 | Jan 31, 2019 | 333-215884 |
| 10-Q | Open Document | Data | Open Filing | Dec 21, 2018 | Oct 31, 2018 | 333-215884 | |
| NT 10-Q | Open Document | Open Filing | 12B-25 OCT 2018 10-Q | Dec 14, 2018 | Oct 31, 2018 | 333-215884 |
| 10-Q | Open Document | Data | Open Filing | Sep 13, 2018 | Jul 31, 2018 | 333-215884 | |
| 10-K | Open Document | Data | Open Filing | FORM 10-K | Aug 13, 2018 | Apr 30, 2018 | 333-215884 |
| NT 10-K | Open Document | Open Filing | Jul 31, 2018 | Apr 30, 2018 | 333-215884 | |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Mar 16, 2018 | Jan 31, 2018 | 333-215884 |
| EFFECT | Open Document | Open Filing | Feb 28, 2018 | 333-215884 | ||
| CORRESP | Open Document | Open Filing | Feb 23, 2018 | |||
| CORRESP | Open Document | Open Filing | Feb 1, 2018 | |||
| S-1/A | Open Document | Open Filing | S-1 AMEND #3 333-215884 | Feb 1, 2018 | 333-215884 | |
| CORRESP | Open Document | Open Filing | Sep 14, 2017 | |||
| UPLOAD | Open Document | Open Filing | Aug 31, 2017 | |||
| CORRESP | Open Document | Open Filing | Aug 11, 2017 | |||
| UPLOAD | Open Document | Open Filing | Jul 28, 2017 | |||
| CORRESP | Open Document | Open Filing | Jul 12, 2017 | |||
| CORRESP | Open Document | Open Filing | Jul 11, 2017 | |||
| UPLOAD | Open Document | Open Filing | Jun 30, 2017 | |||
| CORRESP | Open Document | Open Filing | Jun 15, 2017 | |||
| S-1/A | Open Document | Open Filing | DIAMOND CARTEL S-1 AMENDMENT 2, 06.09.17 | Jun 15, 2017 | 333-215884 | |
| UPLOAD | Open Document | Open Filing | May 10, 2017 | |||
| CORRESP | Open Document | Open Filing | Apr 26, 2017 | |||
| S-1/A | Open Document | Open Filing | FORM S-1 AMENDMENT NO. 1 | Apr 24, 2017 | 333-215884 | |
| UPLOAD | Open Document | Open Filing | Mar 2, 2017 | |||
| S-1 | Open Document | Open Filing | FORM S-1 | Feb 3, 2017 | 333-215884 |