Note 14 - Net Loss Per Share - Schedule Net Loss Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Loss from continuing operations	$ (6,582)	$ (2,463)	$ (159,186)	$ (15,689)
Income (loss) from discontinued operations, net of tax	0	993	0	(1,943)
Net loss	$ (6,582)	$ (1,470)	$ (159,186)	$ (17,632)
Weighted average common shares outstanding used in computing basic loss per share (in shares)	52,963	63,432	54,914	68,494
Weighted average common shares outstanding used in computing diluted loss per share (in shares)	52,963	63,432	54,914	68,494
Loss from continuing operations (in dollars per share)	$ (0.12)	$ (0.04)	$ (2.9)	$ (0.23)
Income (loss) from discontinued operations, net of tax (in dollars per share)	0	0.02	0	(0.03)
Basic net loss per share (in dollars per share)	(0.12)	(0.02)	(2.9)	(0.26)
Loss from continuing operations (in dollars per share)	(0.12)	(0.04)	(2.9)	(0.23)
Income (loss) from discontinued operations, net of tax (in dollars per share)	0	0.02	0	(0.03)
Diluted net loss per share (in dollars per share)	$ (0.12)	$ (0.02)	$ (2.9)	$ (0.26)