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Income Taxes (Tables) | 12 Months Ended
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Apr. 30, 2025
Income Tax Disclosure [Abstract] |
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] | The benefit from income taxes consisted of the following (in thousands):
|  | Fiscal Year Ended April 30, |
|  | 2025 |  |  | 2024 |
Current: |  |  |  |  |  |
Federal |  | $ | 137 |  |  | $ | (127 | )
State |  |  | 374 |  |  |  | (3 | )
Current provision (benefit) |  |  | 511 |  |  |  | (130 | )
Deferred: |  |  |  |  |  |  |  |
Federal |  |  | (9,634 | ) |  |  | - |
State |  |  | (2,419 | ) |  |  | - |
Deferred tax benefit |  |  | (12,053 | ) |  |  | - |
Total benefit |  | $ | (11,542 | ) |  | $ | (130 | )
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] | The following table reconciles the reported income tax provision with the amount computed using the federal statutory income tax rate (in thousands):
|  | Fiscal Year Ended April 30, |
|  | 2025 |  |  | 2024 |
Statutory rate |  | $ | 2,550 |  |  | $ | 1,147 |
State and local tax |  |  | 223 |  |  |  | 167 |
Valuation allowance on deferred tax assets |  |  | (13,874 | ) |  |  | (1,060 | )
Nondeductible expenses |  |  | 5 |  |  |  | 4 |
FDII |  |  | (81 | ) |  |  | - |
Uncertain tax positions |  |  | - |  |  |  | (127 | )
Nontaxable life insurance cash value increase |  |  | (65 | ) |  |  | (63 | )
Taxable life insurance gain |  |  | - |  |  |  | - |
Capital loss |  |  | - |  |  |  | (8 | )
Stock compensation |  |  | (153 | ) |  |  | 106 |
Tax credits |  |  | (319 | ) |  |  | (16 | )
Change in tax rate |  |  | 173 |  |  |  | (244 | )
Other items |  |  | (1 | ) |  |  | (36 | )
Total benefit |  | $ | (11,542 | ) |  | $ | (130 | )
Schedule of Deferred Tax Assets and Liabilities [Table Text Block] | The components of deferred taxes are as follows (in thousands):
|  | Fiscal Year Ended April 30, |
|  | 2025 |  |  | 2024 |
Deferred tax assets: |  |  |  |  |  |
Employee benefits |  | $ | 2,810 |  |  | $ | 2,826 |
Inventory |  |  | 2,876 |  |  |  | 2,536 |
Accounts receivable |  |  | 144 |  |  |  | 70 |
Tax credits |  |  | 1,945 |  |  |  | 2,173 |
Other assets |  |  | 301 |  |  |  | 303 |
Deferred costs |  |  | 1,511 |  |  |  | 681 |
Lease liability |  |  | 2,128 |  |  |  | 1,547 |
Capital loss carry-forward |  |  | 194 |  |  |  | 212 |
Research & development |  |  | 2,247 |  |  |  | 1,104 |
Net operating loss carryforwards |  |  | 2,276 |  |  |  | 6,320 |
Total deferred tax asset |  |  | 16,432 |  |  |  | 17,772 |
Deferred tax liabilities: |  |  |  |  |  |  |  |
Property, plant and equipment |  |  | (74 | ) |  |  | (191 | )
Right of use asset |  |  | (2,104 | ) |  |  | (1,510 | )
Other liabilities |  |  | (77 | ) |  |  | (61 | )
Deferred state income tax |  |  | (779 | ) |  |  | (791 | )
Net deferred tax asset |  |  | 13,398 |  |  |  | 15,219 |
Valuation allowance |  |  | (1,353 | ) |  |  | (15,227 | )
Net deferred tax asset (liability) |  | $ | 12,045 |  |  | $ | (8 | )
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] | A reconciliation of the beginning and ending amounts of unrecognized tax benefits, is as follows (in thousands):
|  | 2025 |  |  | 2024 |
Balance at the beginning of the fiscal year |  | $ | 111 |  |  | $ | 230 |
Additions based on positions taken in the current year |  |  | - |  |  |  | - |
Additions based on positions taken in prior years |  |  | 45 |  |  |  | - |
Decreases based on positions taken in prior years |  |  | (12 | ) |  |  | - |
Lapse in statute of limitations |  |  | - |  |  |  | (119 | )
Balance at the end of the fiscal year |  | $ | 144 |  |  | $ | 111 |

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