Note 20 - Segment and Geographic Information - Schedule of Revenue Generated by the Company's Subsidiaries (Details) - USD ($) $ in Thousands	12 Months Ended
Sep. 30, 2024	Sep. 30, 2023
Revenues	$ 135,598	$ 124,509
United States Subsidiary [Member]
Revenues	127,488	118,017
Canada Subsidiary [Member]
Revenues	1,777	1,924
Russian Federation Subsidiary [Member]
Revenues	3,487	1,850
United Kingdom Subsidiary [Member]
Revenues	$ 2,846	$ 2,718

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details