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Leases - Additional Information (Detail) - USD ($) |  | 12 Months Ended |
--- | --- | --- | ---
Aug. 28, 2020 | Sep. 30, 2022 | Sep. 30, 2021 | Oct. 09, 2020
Lessee, Lease, Description [Line Items] |  |  |  |
Total rental expense |  | $ 57,000 | $ 78,000 |
Operating Lease, Expense |  | 425,000 | 440,000 |
Operating lease term | 3 years |  |  |
Operating leases paid in cash |  | 396,000 | 468,000 |
New Lease Agreement [Member] |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |
Assets | $ 970,000 | $ 396,000 | $ 785,000 | $ 254,000
Blaw Knox Product Line From Volvo CE [Member] | New Lease Agreement [Member] |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |
Operating lease term |  |  |  | 1 year
Operating lease liability date of expiry | Aug. 31, 2023 |  |  |

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- Definition Date of expiry of operating lease. + References No definition available. + Details
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- Definition Lessee operating lease lease right of use asset. + References No definition available. + Details
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- Definition Operating lease rental expenses one. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Term of lessee's 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/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918673-209980 + Details
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X
- Definition Amount of operating lease expense. Excludes sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 4 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=123391704&loc=SL77918638-209977 + Details
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- Definition Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 5 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=123391704&loc=SL77918643-209977 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)(1) -URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918686-209980 + Details
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- Details
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- Details
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