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v3.22.2.2

Royalty Obligation - Additional Information (Detail) - USD ($) $ in Thousands |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Jan. 31, 2018 | Jul. 30, 2022 | Jul. 30, 2022 | Jan. 31, 2022
Royalty Obligation, Current |  | $ 1,875 | $ 1,875 | $ 2,000
Royalty Obligation Non Current |  | 3,611 | 3,611 | $ 4,361
Guaranteed Minimum Royalty Payment |  |  | 8,500 |
Excess Royaltie paid |  | 500 | 500 |
Honeywell Asset Purchase and License Agreement [Member] |  |  |  |
Payment Term Period | 10 years |  |  |
Minimum Royalty Payment Obligation | $ 15,000 |  |  |
Fair Value Assumption Percentage Of Present Value Factor | 2.80% |  |  |
Royalty Obligation, Current |  | 1,900 | 1,900 |
Royalty Obligation Non Current |  | 3,600 | 3,600 |
Accrued Royalties, Current, Excess Royalty Payment Due |  | 300 | 300 |
Excess Royalty Payments Incurred |  | $ 300 | $ 600 |

X
- Definition Accrued royalties in excess of guaranteed minimum royalty obligation payable. + References No definition available. + Details
Name: | alot_AccruedRoyaltiesCurrentExcessRoyaltyPaymentsDue
Namespace Prefix: | alot_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Total amount of excess royalties paid in the current year. + References No definition available. + Details
Name: | alot_ExcessRoyaltiePaid
Namespace Prefix: | alot_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of royalty expense in excess of guaranteed minimum payments incurred. + References No definition available. + Details
Name: | alot_ExcessroyaltypaymentsIncurred
Namespace Prefix: | alot_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Fair Value Assumption Percentage Of Present Value Factor + References No definition available. + Details
Name: | alot_FairValueAssumptionPercentageOfPresentValueFactor
Namespace Prefix: | alot_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Total Amount paid to date on the Guaranteed Minimum Royalty Obligation. + References No definition available. + Details
Name: | alot_GuaranteedMinimumRoyaltyPayments
Namespace Prefix: | alot_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Minimum Royalty Payment Obligation. + References No definition available. + Details
Name: | alot_MinimumRoyaltyPaymentObligation
Namespace Prefix: | alot_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Payment term period. + References No definition available. + Details
Name: | alot_PaymentTermPeriod
Namespace Prefix: | alot_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Carrying amount of the short term portion of the guaranteed minimum royalty obligation related to Honeywell Agreement. + References No definition available. + Details
Name: | alot_RoyaltyObligationCurrent
Namespace Prefix: | alot_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Carrying amount of the long term portion of the guaranteed minimum royalty obligation related to Honeywell Agreement. + References No definition available. + Details
Name: | alot_RoyaltyObligationNonCurrent
Namespace Prefix: | alot_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=alot_HoneywellAssetPurchaseAndLicenseAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |