CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2024	Sep. 30, 2024
Statement of Financial Position [Abstract]
Accounts receivable, allowance for credit losses	$ 350	$ 375
Common stock, par value (in dollars per share)	$ 0.50	$ 0.50
Common stock, authorized shares (in shares)	40,000,000	40,000,000
Common stock, issued shares (in shares)	10,221,434	10,195,990
Treasury stock, shares (in shares)	167,900	167,900