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Note 4 - Business Combinations - Assets Acquired and Liabilities assumed (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Oct. 04, 2023 | Sep. 30, 2023
--- | --- | --- | ---
Assets acquired |  |  |
Goodwill | $ 13,251 |  | $ 10,282
Evertel Technologies, LLC [Member] |  |  |
Assets acquired |  |  |
Accounts receivable |  | $ 142 |
Prepaid expenses |  | 27 |
Intangible assets |  | 2,550 |
Goodwill |  | 2,923 |
Total Assets |  | 5,642 |
Liabilities assumed |  |  |
Accrued commissions |  | 10 |
Deferred revenue |  | 470 |
Deferred tax liability |  | 525 |
Total liabilities |  | 1,005 |
Net assets acquired |  | $ 4,637 |

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