Summary of Significant Accounting Policies - EPS (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Accounting Policies
Net income from continuing operations	$ 1,889	$ 234
Net income from sale of discontinued operations	0	465
Net income	1,889	699
Less: net income attributable to nonvested common stock	100	33
Net income attributable to common shareholders	1,789	666
Net income attributable to common shareholders from continuing operations	1,789	223
Net income attributable to common shareholders from discontinued operations	$ 0	$ 443
Weighted average total shares outstanding - basic	4,498,000	4,356,000
Less: weighted average non-vested shares outstanding	(237,000)	(205,000)
Weighted average number of common shares outstanding - basic	4,261,000	4,151,000
Add: potential common shares from non-vested stock awards and the assumed exercise of stock options	17,000	69,000
Weighted average common shares outstanding - diluted	4,278,000	4,220,000
Net income from continuing operations per common share - basic	$ 0.42	$ 0.05
Net income from discontinued operations per common share - basic	0	0.11
Net income per common share - basic	0.42	0.16
Net income from continuing operations per common share - diluted	0.42	0.05
Net income from discontinued operations per common share - diluted	0	0.11
Net income per common share - diluted	$ 0.42	$ 0.16
Restricted stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock awards shares were excluded from the diluted loss per share calculation	170,600	136,000