CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2025	Sep. 30, 2025
Statement of Financial Position [Abstract]
Accounts receivable allowances	$ 68	$ 68
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, authorized (in shares)	560,000,000	560,000,000
Common stock, issued (in shares)	45,016,000	43,374,000
Common stock, outstanding (in shares)	45,016,000	43,374,000