CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss
Beginning Balance (in shares) at Sep. 30, 2024		41,924
Beginning Balance at Sep. 30, 2024	$ 141,097	$ 419	$ 1,088,330	$ (921,740)	$ (25,912)
Net loss	(24,288)			(24,288)
Other comprehensive loss	(3,873)				(3,873)
Issuance of common stock (in shares)		1,066
Issuance of common stock	1,364	$ 11	1,353
Common stock repurchases for tax withholdings for net settlement of equity awards (in shares)		(2)
Common stock repurchases for tax withholdings for net settlement of equity awards	(1,369)		(1,369)
Stock-based compensation	7,771		7,771
Ending Balance (in shares) at Dec. 31, 2024		42,988
Ending Balance at Dec. 31, 2024	120,702	$ 430	1,096,085	(946,028)	(29,785)
Beginning Balance (in shares) at Sep. 30, 2025		43,374
Beginning Balance at Sep. 30, 2025	150,676	$ 434	1,116,165	(940,454)	(25,469)
Net loss	(5,239)			(5,239)
Other comprehensive loss	(299)				(299)
Issuance of common stock (in shares)		1,645
Issuance of common stock	7,499	$ 16	7,483
Common stock repurchases for tax withholdings for net settlement of equity awards (in shares)		(3)
Common stock repurchases for tax withholdings for net settlement of equity awards	(7,541)		(7,541)
Stock-based compensation	5,345		5,345
Ending Balance (in shares) at Dec. 31, 2025		45,016
Ending Balance at Dec. 31, 2025	$ 150,441	$ 450	$ 1,121,452	$ (945,693)	$ (25,768)