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Note 11 - Goodwill and Intangibles - Summary of Goodwill (Details) $ in Thousands | 9 Months Ended
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Jun. 30, 2024 USD ($)
Balance | $ 6,528
Currency translation effect on foreign goodwill balances | 25
Balance | 6,553
Clearfield [Member] |
Balance | 4,708
Currency translation effect on foreign goodwill balances | 0
Balance | 4,708
Nestor [Member] |
Balance | 1,820
Currency translation effect on foreign goodwill balances | 25
Balance | $ 1,845

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