Earnings Per Share of Common Stock - Basic and diluted earnings per share computations (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Earnings Per Share [Abstract]
Net income (loss) from continuing operations	$ 532	$ 431	$ (37)	$ (1,288)
Loss from discontinued operations, net of income tax benefit		(428)		(503)
Net income (loss)	532	3	(37)	(1,791)
Less: Net income attributable to nonvested common stock (in Dollars)	23
Net income (loss) attributable to common stockholders (in Dollars)	$ 509	$ 3	$ (37)	$ (1,791)
Weighted average total shares outstanding – basic	4,244	4,006	3,913	3,811
Less: weighted average non-vested shares outstanding	193	164
Weighted average number of common shares outstanding – basic	4,051	3,842	3,913	3,811
Potential common shares from non-vested stock awards and the assumed exercise of stock options	91	88
Weighted average common shares outstanding – diluted	4,142	3,930	3,913	3,811
Net income (loss) from continuing operations per share – basic	$ 0.13	$ 0.11	$ (0.01)	$ (0.34)
Net loss from discontinued operations per share – basic		(0.11)		(0.13)
Net income (loss) per share – basic	0.13		(0.01)	(0.47)
Net income (loss) from continuing operations per share - diluted	0.12	0.11	(0.01)	(0.34)
Net loss from discontinued operations per share - diluted		$ (0.11)		(0.13)
Net income (loss) per share – diluted	$ 0.12		$ (0.01)	$ (0.47)