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Note 2 - Business Acquisition - Allocation of Estimated Purchase Price (Details) - USD ($) | Mar. 01, 2022 | Apr. 30, 2022 | Oct. 31, 2021
--- | --- | --- | ---
Goodwill |  | $ 7,457,000 | $ 2,467,000
Microlab/FXR LLC [Member] |  |  |
Current assets | $ 6,924,000 |  |
Property and equipment | 198,000 |  |
Intangible assets | 13,840,000 |  |
Goodwill | 4,990,000 |  |
Non-interest bearing liabilities | (1,702,000) |  |
Net assets acquired at fair value | $ 24,250,000 |  |

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