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Share-Based Compensation (Details Narrative) - USD ($) |  | 1 Months Ended | 3 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Feb. 09, 2022 | Feb. 29, 2024 | Jul. 31, 2024 | Jul. 31, 2023 | Apr. 30, 2023 | Jan. 18, 2018 | Dec. 31, 2015
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |
Share-based compensation arrangement shares authorized increase |  | 2,900,000 |  |  |  |  |
Unrecognized compensation cost related to non-vested stock |  |  | $ 99,000 |  |  |  |
Share-based compensation of weighted-average period |  |  | 1 year 2 months 12 days |  |  |  |
Share-Based Payment Arrangement, Option [Member] |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |
Options, outstanding, intrinsic value |  |  | $ 0 |  |  |  |
Options unvested |  |  | 210,000 |  |  |  |
Weighted average remaining contractual term |  |  | 8 years 2 months 12 days |  |  |  |
Share-based payment arrangement, expense |  |  | $ 19,000 | $ 79,000 |  |  |
Employee Stock Option One [Member] |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |
Options, outstanding, intrinsic value |  |  | 0 |  |  |  |
Performance Shares [Member] |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |
Options unvested |  |  |  |  | 66,667 |  |
Share-based payment arrangement, expense |  |  | 0 | 43,000 |  |  |
Restricted Stock [Member] |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |
Share-based payment arrangement, expense |  |  | $ 240,000 | $ 280,000 |  |  |
Share-based compensation of weighted-average period |  |  | 1 year 3 months 18 days |  |  |  |
Number of restricted shares, granted |  |  | 0 | 52,500 |  |  |
Unrecognized compensation cost |  |  | $ 959,000 |  |  |  |
2015 Omnibus Incentive Plan [Member] |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |
Share-based compensation arrangement shares authorized |  |  | 7,282,036 |  |  |  | 1,332,036
2018 Inducement Plan [Member] |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |
Share-based compensation arrangement shares authorized | 250,000 |  |  |  |  |  |
Share-based compensation arrangement shares authorized increase | 275,000 |  |  |  |  |  |
Capital shares reserved for future issuance |  |  |  |  |  | 25,000 |

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