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Share-Based Compensation (Details Narrative) - USD ($) |  | 1 Months Ended | 3 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Feb. 09, 2022 | Jan. 31, 2025 | Jan. 31, 2025 | Jan. 31, 2024 | Jan. 31, 2025 | Jan. 31, 2024 | Apr. 30, 2023 | Jan. 18, 2018 | Dec. 31, 2015
Share-Based Payment Arrangement, Option [Member] |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Intrinsic value of exercisable options |  | $ 0 | $ 0 |  | $ 0 |  |  |  |
Options unvested |  | 58,000 | 58,000 |  | 58,000 |  |  |  |
Unvested options intrinsic value |  | $ 0 | $ 0 |  | $ 0 |  |  |  |
Weighted average remaining contractual term |  |  |  |  | 8 years |  |  |  |
Share-based payment arrangement, expense |  |  | 12,000 | $ (49,000) | $ 38,000 | $ 50,000 |  |  |
Unrecognized compensation cost related to non-vested stock |  | 35,000 | 35,000 |  | $ 35,000 |  |  |  |
Share-based compensation of weighted-average period |  |  |  |  | 1 year |  |  |  |
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 |  |  | 768,000 | $ 179,000 | $ 1,293,000 | $ 710,000 |  |  |
Share-based compensation of weighted-average period |  |  |  |  | 1 year 8 months 12 days |  |  |  |
Number of restricted shares, granted |  |  |  |  | 21,903,000 | 183,000 |  |  |
Unrecognized compensation cost |  | $ 17,480,000 | $ 17,480,000 |  | $ 17,480,000 |  |  |  |
2015 Omnibus Incentive Plan [Member] |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Share-based compensation arrangement shares authorized |  | 27,282,036 | 27,282,036 |  | 27,282,036 |  |  |  | 1,332,036
Share-based compensation arrangement shares authorized increase |  | 20,000,000 |  |  |  |  |  |  |
2018 Inducement Plan [Member] |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Share-based compensation arrangement shares authorized | 275,000 |  |  |  |  |  |  |  |
Share-based compensation arrangement shares authorized increase | 250,000 |  |  |  |  |  |  |  |
Reserved for future issuance |  |  |  |  |  |  |  | 25,000 |

X
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