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Income Taxes - Additional Information (Detail) $ in Millions | 12 Months Ended
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Sep. 30, 2022 USD ($)
Income Taxes [Line Items] |
Deferred tax asset | $ 0.6
Domestic Country |
Income Taxes [Line Items] |
Net operating loss (NOL) carryforwards | $ 9.5
Minimum [Member] | State And Local Jurisdiction |
Income Taxes [Line Items] |
Operating loss carry forwards expiration year | 2029
Maximum [Member] | State And Local Jurisdiction |
Income Taxes [Line Items] |
Operating loss carry forwards expiration year | 2032

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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local operating loss carryforwards. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32632-109319 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32621-109319 + Details
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