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Commitments and Contingencies - Additional Information (Detail) (USD $) | 6 Months Ended
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Aug. 03, 2013
Commitments And Contingencies Disclosure [Abstract] |
Estimated costs associated with the replacement program | $ 672,000
Other Accrued Expenses | $ 598,000

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- Definition Product replacement related costs. + References No definition available. + Details
Name: | alot_ProductReplacementRelatedCosts
Namespace Prefix: | alot_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Product replacement reserve. + References No definition available. + Details
Name: | alot_ProductReplacementReserve
Namespace Prefix: | alot_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration