Earnings Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Basic earnings per share:
Net income (loss)	$ 102	$ (47)	$ 220
Weighted average common shares outstanding used to calculate basic earnings per common share	1,053	2,031	1,052	2,031
Weighted average common shares outstanding used to calculate diluted earnings per common share	1,053	2,031	1,052	2,031
Basic earnings per common share	$ 0.10	$ (0.02)	$ 0.21
Diluted earnings per common share	$ 0.10	$ (0.02)	$ 0.21