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Acquisition - Summary of Revenue and Earnings Before Taxes (Parenthetical) (Detail) - MTEX New Solutions, S.A. [Member] | 3 Months Ended
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Apr. 30, 2025 USD ($)
Business Acquisition Pro Forma Information [Line Items] |  |
Sales | $ 1,402,000 | [1]
Intercompany Sales [Member] |  |
Business Acquisition Pro Forma Information [Line Items] |  |
Sales | $ 727,000 |
[1] | Include $727,000 of MTEX revenue related to sales that were sold to third parties via intercompany sales.

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- Definition Business acquisition pro forma information. + References No definition available. + Details
Name: | alot_BusinessAcquisitionProFormaInformationLineItems
Namespace Prefix: | alot_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479328/805-10-50-2 + Details
Name: | us-gaap_BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Details
Name: | us-gaap_BusinessAcquisitionAxis=alot_MtexNewSolutionsSAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_ConsolidationItemsAxis=us-gaap_IntersegmentEliminationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |