CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2024	Sep. 30, 2023
Statement of Financial Position [Abstract]
Accounts receivable, allowance for credit losses	$ 339	$ 284
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)	10,195,990	10,158,678
Treasury stock, shares (in shares)	167,900	167,900