Consolidated Statement of Changes in Shareholders' Deficit (Unaudited) - USD ($) | Total | Common Stock | Additional Paid in Capital | Treasury Stock | Accumulated Deficit | Series C Convertible Redeemable Preferred Stock | Series D Convertible Redeemable Preferred Stock | Series A Preferred Stock | Series A Preferred StockPreferred Stock | Series B Preferred Stock | Series B Preferred StockPreferred Stock |
Beginning balance (in shares) at May. 31, 2020 | | | | | | 0 | 0 | | | | |
Beginning balance at May. 31, 2020 | $ 0 | | | | | $ 0 | $ 0 | | | | |
Ending balance (in shares) at Feb. 28, 2021 | | | | | | 0 | 0 | | | | |
Ending balance at Feb. 28, 2021 | 0 | | | | | $ 0 | $ 0 | | | | |
Beginning balance, preferred stock (in shares) at May. 31, 2020 | | | | | | | | | 27,195 | | 17,087 |
Beginning balance at May. 31, 2020 | (2,015,000) | $ 9,000 | $ 13,874,000 | $ (62,000) | $ (21,055,000) | | | | $ 3,370,000 | | $ 1,849,000 |
Beginning balance, common stock (in shares) at May. 31, 2020 | | 1,511,061 | | | | | | | | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | | | |
Net Income (Loss) | (223,000) | | | | (223,000) | | | | | | |
Ending balance, preferred stock (in shares) at Feb. 28, 2021 | | | | | | | | | 27,195 | | 17,087 |
Ending balance at Feb. 28, 2021 | (2,238,000) | $ 9,000 | 13,874,000 | (62,000) | (21,278,000) | | | | $ 3,370,000 | | $ 1,849,000 |
Ending balance, common stock (in shares) at Feb. 28, 2021 | | 1,511,061 | | | | | | | | | |
Beginning balance (in shares) at Nov. 30, 2020 | | | | | | 0 | 0 | | | | |
Beginning balance at Nov. 30, 2020 | 0 | | | | | $ 0 | $ 0 | | | | |
Ending balance (in shares) at Feb. 28, 2021 | | | | | | 0 | 0 | | | | |
Ending balance at Feb. 28, 2021 | 0 | | | | | $ 0 | $ 0 | | | | |
Beginning balance, preferred stock (in shares) at Nov. 30, 2020 | | | | | | | | | 27,195 | | 17,087 |
Beginning balance at Nov. 30, 2020 | (2,161,000) | $ 9,000 | 13,874,000 | (62,000) | (21,201,000) | | | | $ 3,370,000 | | $ 1,849,000 |
Beginning balance, common stock (in shares) at Nov. 30, 2020 | | 1,511,061 | | | | | | | | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | | | |
Net Income (Loss) | (77,000) | | | | (77,000) | | | | | | |
Ending balance, preferred stock (in shares) at Feb. 28, 2021 | | | | | | | | | 27,195 | | 17,087 |
Ending balance at Feb. 28, 2021 | (2,238,000) | $ 9,000 | 13,874,000 | (62,000) | (21,278,000) | | | | $ 3,370,000 | | $ 1,849,000 |
Ending balance, common stock (in shares) at Feb. 28, 2021 | | 1,511,061 | | | | | | | | | |
Beginning balance (in shares) at May. 31, 2021 | | | | | | 660,000 | 0 | | | | |
Beginning balance at May. 31, 2021 | 15,135,000 | | | | | $ 15,135,000 | $ 0 | | | | |
Increase (Decrease) in Temporary Equity [Roll Forward] | | | | | | | | | | | |
Issuance of Preferred Stock (in shares) | | | | | | | 1,380,000 | | | | |
Issuance of Preferred Stock | 34,500,000 | | | | | | $ 34,500,000 | | | | |
Issuance Costs of Preferred Stock | (2,926,000) | | | | | | $ (2,926,000) | | | | |
Preferred Stock Dividends Accrued (in shares) | | | | | | 16,086 | 33,624 | | | | |
Preferred Stock Dividends Accrued | 1,242,000 | | | | | $ 402,150 | $ 840,300 | | | | |
Ending balance (in shares) at Feb. 28, 2022 | | | | | | 676,086 | 1,413,624 | | | | |
Ending balance at Feb. 28, 2022 | 47,951,000 | | | | | $ 15,537,000 | $ 32,414,000 | | | | |
Beginning balance, preferred stock (in shares) at May. 31, 2021 | | | | | | | | 27,195 | 27,195 | 17,087 | 17,087 |
Beginning balance at May. 31, 2021 | $ (2,583,000) | $ 9,000 | 13,874,000 | (62,000) | (21,623,000) | | | | $ 3,370,000 | | $ 1,849,000 |
Beginning balance, common stock (in shares) at May. 31, 2021 | 1,511,061 | 1,511,061 | | | | | | | | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | | | |
Extinguishment of Debt (in shares) | | 5,083,828 | | | | | | | | | |
Extinguishment of Debt | $ 3,477,000 | $ 31,000 | 3,446,000 | | | | | | | | |
Issuance of Dividends to Preferred Stock | 115,000 | | | | (8,946,000) | | | | $ 6,082,000 | | $ 2,979,000 |
Issuance of Dividends to Preferred Stock (in shares) | | | | | | | | | 60,822 | | 29,772 |
Conversion of Preferred Stock (in shares) | | (28,765,308) | | | | | | | (88,017) | | (46,859) |
Conversion of Preferred Stock | | $ 172,000 | 14,108,000 | | | | | | $ (9,452,000) | | $ (4,828,000) |
Service Agreement (in shares) | | 18,036,723 | | | | | | | | | |
Service Agreement | 12,337,000 | $ 108,000 | 12,229,000 | | | | | | | | |
Preferred Stock Dividends Accrued | (1,242,000) | | | | (1,242,000) | | | | | | |
Net Income (Loss) | (20,713,000) | | | | (20,713,000) | | | | | | |
Ending balance, preferred stock (in shares) at Feb. 28, 2022 | | | | | | | | 0 | 0 | 0 | 0 |
Ending balance at Feb. 28, 2022 | $ (8,609,000) | $ 320,000 | 43,657,000 | (62,000) | (52,524,000) | | | | $ 0 | | $ 0 |
Ending balance, common stock (in shares) at Feb. 28, 2022 | 1,511,061 | 53,396,920 | | | | | | | | | |
Beginning balance (in shares) at Nov. 30, 2021 | | | | | | 660,000 | 1,380,000 | | | | |
Beginning balance at Nov. 30, 2021 | $ 46,709,000 | | | | | $ 15,135,000 | $ 31,574,000 | | | | |
Increase (Decrease) in Temporary Equity [Roll Forward] | | | | | | | | | | | |
Preferred Stock Dividends Accrued (in shares) | | | | | | 16,086 | 33,624 | | | | |
Preferred Stock Dividends Accrued | 1,242,000 | | | | | $ 402,150 | $ 840,300 | | | | |
Ending balance (in shares) at Feb. 28, 2022 | | | | | | 676,086 | 1,413,624 | | | | |
Ending balance at Feb. 28, 2022 | 47,951,000 | | | | | $ 15,537,000 | $ 32,414,000 | | | | |
Beginning balance, preferred stock (in shares) at Nov. 30, 2021 | | | | | | | | | 0 | | 0 |
Beginning balance at Nov. 30, 2021 | (922,000) | $ 320,000 | 43,657,000 | (62,000) | (44,837,000) | | | | $ 0 | | $ 0 |
Beginning balance, common stock (in shares) at Nov. 30, 2021 | | 53,396,920 | | | | | | | | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | | | |
Preferred Stock Dividends Accrued | (1,242,000) | | | | (1,242,000) | | | | | | |
Net Income (Loss) | (6,445,000) | | | | (6,445,000) | | | | | | |
Ending balance, preferred stock (in shares) at Feb. 28, 2022 | | | | | | | | 0 | 0 | 0 | 0 |
Ending balance at Feb. 28, 2022 | $ (8,609,000) | $ 320,000 | $ 43,657,000 | $ (62,000) | $ (52,524,000) | | | | $ 0 | | $ 0 |
Ending balance, common stock (in shares) at Feb. 28, 2022 | 1,511,061 | 53,396,920 | | | | | | | | | |