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Intangible Assets - Fair Value of Acquired Identifiable Intangible Assets and Related Estimated Useful Lives (Parenthetical) (Detail) $ in Millions	3 Months Ended
	Apr. 28, 2018 USD ($)
Honeywell Asset Purchase and License Agreement [Member]
Finite-Lived Intangible Assets [Line Items]
Additional payment to be made subject to completion of the terms of the TSA	$ 0.4

X

- Definition

Potential payment of remaining expenses related to the conclusion of the Honeywell TSA.

+ References

No definition available.

+ Details

Name:	alot_PotentialTSAPayment
Namespace Prefix:	alot_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_FiniteLivedIntangibleAssetsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

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