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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

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