Note 16 - Income Taxes - Schedule of Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Federal	$ 227	$ (599)	$ (4,826)
State	1,482	1,528	607
Foreign	11,224	9,757	4,627
Total current income tax (benefit) expense	12,933	10,686	408
Federal	(5,457)	(18,684)	(815)
State	313	(402)	(180)
Foreign	(10,942)	(9,150)	1,937
Total deferred income tax (benefit) expense	(16,086)	(28,236)	942
Income tax (benefit) expense	$ (3,153)	$ (17,550)	$ 1,350