BENEFIT PLANS - Additional information (Details) - USD ($) |
3 Months Ended | |
|---|---|---|
Jul. 31, 2026 |
Jul. 31, 2025 |
|
| BENEFIT PLANS | ||
| Stock-based compensation | $ 121,000 | $ 100,000 |
| Unrecognized compensation expense related to restricted shares | $ 677,000 | |
| Unrecognized compensation cost recognition period | 3 years | |
| Accrued compensation expense related to the deferred stock units | $ 70,000 | 53,000 |
| Board of Directors Chairman | ||
| BENEFIT PLANS | ||
| Director compensation non-cash expense | 30,000 | 23,000 |
| Equity plan | ||
| BENEFIT PLANS | ||
| Stock-based compensation | $ 79,000 | 64,000 |
| Equity plan | President and Chief executive officer | ||
| BENEFIT PLANS | ||
| Stock option issued during the year (in shares) | 50,000 | |
| 2016 Equity Plan | Board of Directors Chairman | ||
| BENEFIT PLANS | ||
| Non cash compensation expense | $ 12,000 | $ 13,000 |
| X | ||||||||||
- Definition The total non-cash director fee compensation related to the deferred common share units. No definition available.
|
| X | ||||||||||
- Definition Amount of expense recognized from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments), awarded to key employees or individuals. Excludes amount related to plans that cover generally all employees (for example, but not limited to, qualified pension plans). No definition available.
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of cost not yet recognized for nonvested award under share-based payment arrangement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of noncash expense for share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Gross number of share options (or share units) granted during the period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of noncash expense for option under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|