Summary of Significant Accounting Policies - EPS (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Accounting Policies [Abstract]
Loss from continuing operations	$ (371)	$ (1,988)
Gain from sale of discontinued operations		16,838
Loss from discontinued operations		(410)
Net income from discontinued operations		16,428
Net (loss) income	(371)	14,440
Less: net income attributable to nonvested common stock		598
Net (loss) income attributable to common stockholders	$ (371)	$ 13,842
Weighted average total shares outstanding - basic	3,924	3,987
Less: weighted average non-vested shares outstanding		165
Weighted average number of common shares outstanding – basic	3,924	3,822
Potential common shares from non-vested stock awards and the assumed exercise of stock options		79
Weighted average common shares outstanding – diluted	3,924	3,901
Net (loss) from continuing operations per share – basic	$ (0.09)	$ (0.52)
Net income from discontinued operations per share – basic		4.30
Net (loss) income per share – basic	(0.09)	3.62
Net (loss) from continuing operations per share – diluted	(0.09)	(0.52)
Net income from discontinued operations per share – diluted		4.21
Net (loss) income per share – diluted	$ (0.09)	$ 3.55