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Leases - Schedule of Weighted Average Remaining Lease Terms and Discount Rate of Operating Leases (Detail) | Sep. 30, 2022 | Sep. 30, 2021
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Office and Warehouse Space [Member] |  |
Lessee Lease Description [Line Items] |  |
Weighted average remaining lease term | 5 years 4 months 17 days | 3 years 1 month 24 days
Office Leases [Member] |  |
Lessee Lease Description [Line Items] |  |
Weighted average discount rate | 5.31% | 3.05%
Vehicles [Member] |  |
Lessee Lease Description [Line Items] |  |
Weighted average remaining lease term | 2 months 26 days | 3 months 21 days
Weighted average discount rate | 0.58% | 0.63%
Office Equipment [Member] |  |
Lessee Lease Description [Line Items] |  |
Weighted average remaining lease term | 18 days | 0 years
Weighted average discount rate | 0.13% | 0.04%

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- Definition Weighted average discount rate for operating lease calculated at point in time. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(4) -URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI https://asc.fasb.org/extlink&oid=123414884&loc=SL77918982-209971 + Details
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- Definition Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI https://asc.fasb.org/extlink&oid=123414884&loc=SL77918982-209971 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(3) -URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918686-209980 + Details
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