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Note 2 - Business Acquisition - Allocation of Estimated Purchase Price of Schroff Technologies International, Inc. (Details) - USD ($) | Apr. 30, 2023 | Oct. 31, 2022 | Mar. 01, 2022
--- | --- | --- | ---
Goodwill | $ 8,085,000 | $ 8,085,000 |
Schrofftech [Member] |  |  |
Current assets |  |  | $ 6,620,000
Property and equipment |  |  | 198,000
Intangible assets |  |  | 13,840,000
Goodwill |  |  | 5,617,000
Non-interest bearing liabilities |  |  | (1,800,000)
Net assets acquired at fair value |  |  | $ 24,475,000

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