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Revenue Recognition - Additional Information (Detail) - USD ($) | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jul. 31, 2021 | Jan. 31, 2023 | Jan. 31, 2022 | Jan. 31, 2021 | Dec. 31, 2022
Contract liabilities and extended warranties |  | $ 412,000 | $ 262,000 |  |
Revenue recognized |  | 248,000 |  |  |
Contract assets balance |  | 1,300,000 | 1,300,000 |  |
Additional contract costs |  | 100,000 |  |  |
Amortization of incremental direct costs |  | 75,000 | $ 60,000 | $ 27,000 |
Deferred incremental direct contract costs reported in other current assets |  | $ 100,000 |  |  |
Capitalized contract costs additional amounts incurred amortization period |  | 19 years |  |  |
Capitalized contract cost net long term and short term |  | $ 1,400,000 |  |  |
Capitalized contract costs additional amounts incurred amortization period |  | 6 years |  |  |
Aerospace Customer [Member] |  |  |  |  |
Contract with customer liability |  |  |  |  | $ 3,250,000
Revenue recognized |  | $ 1,100,000 |  |  |
Change in Accounting Method Accounted for as Change in Estimate [Member] |  |  |  |  |
Capitalized contract costs additional amounts incurred amortization period | 20 years |  |  |  |

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- Definition Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126905575&loc=SL49131252-203054 + Details
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- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130549-203045 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=126919976&loc=SL49130531-203044 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=126919976&loc=SL49130533-203044 + Details
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