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Royalty Obligation - Additional Information (Detail) - USD ($) |  | 3 Months Ended |
--- | --- | --- | ---
Jan. 31, 2018 | Apr. 30, 2026 | Jan. 31, 2026
Royalty Obligation Disclosure [Line Items] |  |  |
Guaranteed royalty payments obligation |  | $ 14,000,000 |
Guaranteed Minimum Royalty Payments |  | 300,000 |
Royalty Obligation, Current |  | 1,233,000 | $ 1,656,000
Accrued Royalties, Current, Excess Royalty Payment Due |  | 194,000 | $ 331,000
Honeywell Asset Purchase and License Agreement [Member] |  |  |
Royalty Obligation Disclosure [Line Items] |  |  |
Payment Term Period | 10 years |  |
Payment Maturity Date | Sep. 30, 2026 |  |
Minimum Royalty Payment Obligation | $ 15,000,000 |  |
Royalty Obligation, Current |  | 1,000,000 |
Excess Royalty Payments |  | 200,000 |
Accrued Royalties, Current, Excess Royalty Payment Due |  | 200,000 |
Royalty guarantee commitment amount due current |  | 400,000 |
Royalty expense |  | 200,000 |
Honeywell Asset Purchase and License Agreement [Member] | Royalty Payments Due Remainder of Fiscal Year [Member] |  |  |
Royalty Obligation Disclosure [Line Items] |  |  |
Royalty guarantee commitment amount |  | 100,000 |
Honeywell Asset Purchase and License Agreement [Member] | Royalty Payments Due In Next Twelve Months [Member] |  |  |
Royalty Obligation Disclosure [Line Items] |  |  |
Royalty guarantee commitment amount |  | 200,000 |
Honeywell Asset Purchase and License Agreement [Member] | Royalty Payments Due Year Two [Member] |  |  |
Royalty Obligation Disclosure [Line Items] |  |  |
Royalty guarantee commitment amount |  | 233,000 |
Honeywell Asset Purchase and License Agreement [Member] | Royalty Payments Due Year Three [Member] |  |  |
Royalty Obligation Disclosure [Line Items] |  |  |
Royalty guarantee commitment amount |  | 233,000 |
Honeywell Asset Purchase and License Agreement [Member] | Royalty Payments Due Year Four [Member] |  |  |
Royalty Obligation Disclosure [Line Items] |  |  |
Royalty guarantee commitment amount |  | $ 234,000 |

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

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

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- Definition Guaranteed royalty payments obligation. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

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- Definition Payment maturity. + References No definition available. + Details
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- Definition Payment term period. + References No definition available. + Details
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- Definition Royalty guarantee commitment amount due current. + References No definition available. + Details
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Namespace Prefix: | alot_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

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- Definition Royalty obligation disclosure. + References No definition available. + Details
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- Definition Amount of expense related to royalty payments under a contractual arrangement such as payment for mineral and drilling rights and use of technology or intellectual property. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(3)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 + Details
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Balance Type: | debit
Period Type: | duration

X
- Definition The amount the entity has committed to make for future royalty guarantees. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 928 -SubTopic 440 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477866/928-440-50-1 + Details
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- Details
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- Details
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- Details
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