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Product Warranty Liability - Additional Information (Detail) $ in Thousands | 12 Months Ended
--- | ---
Jan. 31, 2022 USD ($)
Product Warranties Disclosures [Abstract] |
Reimbursement received from vendor | $ 975,000

X
- Definition Reimbursement received from vendor + References No definition available. + Details
Name: | alot_Reimbursementreceivedfromvendor
Namespace Prefix: | alot_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_ProductWarrantiesDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration