| Date Filed | Type | Description |
| 10/13/2023 |
10-Q
| Quarterly Report for the period ended August 31, 2023 |
| 08/04/2023 |
8-K
| Changes in Registrant's Certifying Accountant, Financial Statements and Exhibits Interactive Data |
| 04/19/2023 |
10-Q
| Quarterly Report for the period ended February 28, 2023 |
| 04/14/2023 |
NT 10-Q
| Form NT 10-Q - Notification of inability to timely file Form 10-Q or 10-QSB: |
| 01/17/2023 |
10-Q
| Quarterly Report for the period ended November 30, 2022 |
| 10/17/2022 |
NT 10-Q
| Form NT 10-Q - Notification of inability to timely file Form 10-Q or 10-QSB: |
| 09/29/2022 |
10-K
| Annual Report for the period ended May 31, 2022 |
| 08/29/2022 |
NT 10-K
| Form NT 10-K - Notification of inability to timely file Form 10-K 405, 10-K, 10-KSB 405, 10-KSB, 10-KT, or 10-KT405: |
| 04/19/2022 |
10-Q
| Quarterly Report for the period ended February 28, 2022 |
| 04/14/2022 |
NT 10-Q
| Form NT 10-Q - Notification of inability to timely file Form 10-Q or 10-QSB: |
| 01/14/2022 |
10-Q
| Quarterly Report for the period ended November 30, 2021 |
| 10/15/2021 |
10-Q
| Quarterly Report for the period ended August 31, 2021 |
| 09/08/2021 |
10-K
| Annual Report for the period ended May 31, 2021 |
| 08/30/2021 |
NT 10-K
| Form NT 10-K - Notification of inability to timely file Form 10-K 405, 10-K, 10-KSB 405, 10-KSB, 10-KT, or 10-KT405: |
| 04/14/2021 |
10-Q
| Quarterly Report for the period ended February 28, 2021 |
| 01/13/2021 |
10-Q
| Quarterly Report for the period ended November 30, 2020 |
| 10/15/2020 |
10-Q
| Quarterly Report for the period ended August 31, 2020 |
| 09/14/2020 |
10-K
| Annual Report for the period ended May 31, 2020 |
| 08/31/2020 |
NT 10-K
| Form NT 10-K - Notification of inability to timely file Form 10-K 405, 10-K, 10-KSB 405, 10-KSB, 10-KT, or 10-KT405: |
| 06/03/2020 |
10-Q
| Quarterly Report for the period ended February 29, 2020 |
| 04/14/2020 |
8-K
| Other Events |
| 01/14/2020 |
10-Q
| Quarterly Report for the period ended November 30, 2019 |
| 09/30/2019 |
10-Q
| Quarterly Report for the period ended August 31, 2019 |
| 08/27/2019 |
10-K
| Annual Report for the period ended May 31, 2019 |
| 04/05/2019 |
10-Q
| Quarterly Report for the period ended February 28, 2019 |
| 01/14/2019 |
10-Q
| Quarterly Report for the period ended November 30, 2018 |
| 10/10/2018 |
10-Q
| Quarterly Report for the period ended August 31, 2018 |
| 09/13/2018 |
10-K
| Annual Report for the period ended May 31, 2018 |
| 08/29/2018 |
NT 10-K
| Form NT 10-K - Notification of inability to timely file Form 10-K 405, 10-K, 10-KSB 405, 10-KSB, 10-KT, or 10-KT405: |
| 08/16/2018 |
8-K
| Appointed a new director |
| 04/16/2018 |
10-Q
| Quarterly Report for the period ended February 28, 2018 |
| 01/16/2018 |
10-Q
| Quarterly Report for the period ended November 30, 2017 |
| 10/18/2017 |
10-Q
| Quarterly Report for the period ended August 31, 2017 |
| 10/16/2017 |
NT 10-Q
| Form NT 10-Q - Notification of inability to timely file Form 10-Q or 10-QSB: |
|