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Net Classification of Deferred Income Tax Assets and Liabilities in Balance Sheet (Details) - USD ($) $ in Thousands | Sep. 30, 2019 | Sep. 30, 2018
--- | --- | ---
Income Tax Disclosure [Abstract] |  |
Deferred income tax assets, net | $ 236 | $ 246
Deferred income tax liabilities, net | (51) | (45)
Net deferred income tax assets | $ 185 | $ 201

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