Note 7 - Restructuring - Schedule of Restructuring Reserve (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Restructuring Charges	$ 2,064	$ 812	$ 10,528	$ 3,773
Employee Severance [Member]
Balance at beginning of period			1,011	462
Restructuring Charges			4,447	3,773
Payments			(3,314)	(3,442)
Balance at end of period	$ 2,144	$ 793	$ 2,144	$ 793