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Net Classification of Deferred Income Tax Assets and Liabilities in Balance Sheet (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Sep. 30, 2019
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Income Tax Disclosure [Abstract] |  |
Deferred income tax assets, net |  | $ 236
Deferred income tax liabilities, net | $ (27) | (51)
Net deferred income tax assets (liabilities) |  | $ 185
Net deferred income tax assets (liabilities) | $ (27) |

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- Definition Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319 + Details
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