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Note 16 - Income Taxes (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	$ 500	$ 300
Undistributed Earnings (Loss) of Foreign Subsidiaries	0	0
Liability for Uncertainty in Income Taxes, Current	0	$ 0
Hawk Search [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities	1,200
Domestic Tax Jurisdiction [Member]
Operating Loss Carryforwards	36,800
Operating Loss Carryforwards, Subject to Expiration	29,000
Operating Loss Carryforwards, Not Subject to Expiration	$ 7,700
Domestic Tax Jurisdiction [Member] | Internal Revenue Service (IRS) [Member]
Open Tax Year	2021 2022 2023 2024
State and Local Jurisdiction [Member]
Operating Loss Carryforwards	$ 50,200
Open Tax Year	2021 2022 2023 2024

X

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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
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Amount recognized for uncertainty in income taxes classified as current.

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-SubTopic 10
-Name Accounting Standards Codification
-Section S99
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