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Segment Information (Tables) | 12 Months Ended
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Apr. 30, 2025
Segment Reporting [Abstract] |
Reconciliation of Revenue from Segments to Consolidated [Table Text Block] | The tables below present segment revenue, significant segment expenses which consist of segment cost of revenue and segment research and development costs, and segment operating income for each reportable segment and on a consolidated basis as reported in the consolidated statements of operations for the fiscal years ended April 30, 2025 and 2024 (in thousands):
|  | For the Fiscal Years Ended April 30, |
|  | 2025 |  |  | 2024 |
Revenues: |  |  |  |  |  |
FEI-NY |  | $ | 53,269 |  |  | $ | 40,261 |
FEI-Zyfer |  |  | 18,660 |  |  |  | 18,138 |
Less intersegment revenues |  |  | (2,118 | ) |  |  | (3,125 | )
Consolidated revenues |  | $ | 69,811 |  |  | $ | 55,274 |
Schedule of Cost of Sales by Segment [Table Text Block] |
Cost of revenues: |  |  |  |  |  |  |  |
FEI-NY |  | $ | 29,331 |  |  | $ | 27,225 |
FEI-Zyfer |  |  | 12,598 |  |  |  | 12,414 |
Less intersegment cost of revenues |  |  | (2,215 | ) |  |  | (2,948 | )
Consolidated cost of revenues |  | $ | 39,714 |  |  | $ | 36,691 |
Schedule of Research and Development Expenses by Segment [Table Text Block] |
Research and development expenses: |  |  |  |  |  |  |  |
FEI-NY |  | $ | 3,374 |  |  | $ | 2,678 |
FEI-Zyfer |  |  | 2,702 |  |  |  | 702 |
Consolidated research and development expenses |  | $ | 6,076 |  |  | $ | 3,380 |
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] |
Operating income: |  |  |  |  |  |  |  |
FEI-NY |  | $ | 11,514 |  |  | $ | 2,410 |
FEI-Zyfer |  |  | 743 |  |  |  | 3,295 |
Less intersegment |  |  | 98 |  |  |  | (179 | )
Corporate |  |  | (623 | ) |  |  | (507 | )
Consolidated operating income |  | $ | 11,732 |  |  | $ | 5,019 |
Reconciliation of Assets from Segment to Consolidated [Table Text Block] | The tables below present the identifiable assets of each reportable segment and on a consolidated basis as reported in the consolidated balance sheets as of April 30, 2025 and 2024 and the depreciation and amortization charges related to these identifiable assets for the fiscal years ended then ended (in thousands):
|  | April 30, 2025 |  |  | April 30, 2024 |
Identifiable assets: |  |  |  |  |  |
FEI-NY |  | $ | 39,125 |  |  | $ | 36,512 |
FEI-Zyfer |  |  | 23,865 |  |  |  | 15,696 |
less intersegment balances |  |  | (140 | ) |  |  | (237 | )
Corporate |  |  | 30,887 |  |  |  | 31,282 |
Consolidated identifiable assets |  | $ | 93,737 |  |  | $ | 83,253 |
Segment, Reconciliation of Other Items from Segments to Consolidated [Table Text Block] |
|  | For the Fiscal Years Ended April 30, |
|  | 2025 |  |  | 2024 |
Depreciation and amortization: |  |  |  |  |  |  |  |
FEI-NY |  | $ | 1,932 |  |  | $ | 1,944 |
FEI-Zyfer |  |  | 123 |  |  |  | 180 |
Corporate |  |  | - |  |  |  | - |
Consolidated depreciation and amortization expense |  | $ | 2,055 |  |  | $ | 2,124 |
Revenue from External Customers by Geographic Areas [Table Text Block] | Revenues in each of the Company’s segments include sales to foreign governments or to companies located in foreign countries. For the fiscal years ended April 30, 2025 and 2024, revenues, based on the location of the procurement entity were derived from the following locations (in thousands):
|  | For the Fiscal Years Ended April 30, |
|  | 2025 |  |  | 2024 |
Domestic |  | $ | 65,362 |  |  | $ | 53,185 |
Foreign |  |  | 4,449 |  |  |  | 2,089 |
|  | $ | 69,811 |  |  | $ | 55,274 |

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