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v3.25.1

Disposition - Narrative (Details) - USD ($) |  | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Nov. 07, 2023 | Apr. 30, 2025 | Apr. 30, 2024 | Apr. 30, 2025 | Apr. 30, 2024 | Jul. 31, 2024 | Jul. 31, 2023 | Jul. 31, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Proceeds from business divestiture, net |  |  |  | $ 0 | $ 33,225,000 |  |  |
Gain (loss) on disposition of business |  | $ 0 | $ (200,000) | 0 | 2,013,000 | $ (1,199,000) |  |
Net sales |  | 126,787,000 | 128,076,000 | 369,161,000 | 414,212,000 |  |  |
Operating Income (Loss) |  | (1,532,000) | $ (3,470,000) | (140,959,000) | $ 1,589,000 | (79,890,000) | $ (14,660,000) | $ (33,752,000)
Less reserve for excess and obsolete inventories |  | 27,200,000 |  | 27,200,000 |  | 18,271,000 |  |
Solid-State RF Microwave High Power Amplifiers and Control Components Product Line | Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Divestiture preliminary purchase price | $ 35,459,000 |  |  |  |  |  |  |
Proceeds from business divestiture, net | $ 33,277,000 |  |  |  |  |  |  |
CGC Technology Limited | Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  | 4,001,000 | 9,969,000 | 11,188,000
Operating Income (Loss) |  |  |  |  |  | $ 32,331,000 | $ 8,203,000 | $ 9,897,000
Reversed revenue |  |  |  | 4,157,000 |  |  |  |
Reversed contract costs |  |  |  | 1,403,000 |  |  |  |
Restructuring charges |  | 386,000 |  | 3,226,000 |  |  |  |
Less reserve for excess and obsolete inventories |  | $ 2,948,000 |  | $ 2,948,000 |  |  |  |

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