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Acquisitions - Summary of Assets Acquired at Estimated Fair Values (Detail) - Honeywell Asset Purchase and License Agreement [Member] $ in Thousands | Sep. 28, 2017 USD ($)
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Purchase Price Allocation [Line Items] |
Inventory | $ 1,411
Identifiable Intangible Assets | 22,162
Total Purchase Price | $ 23,573

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- Definition Asset Acquisition Purchase Price + References No definition available. + Details
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Namespace Prefix: | alot_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Inventory Fair Value + References No definition available. + Details
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Namespace Prefix: | alot_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Purchase Price Allocation [Line Items] + References No definition available. + Details
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Namespace Prefix: | alot_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of increase in assets, excluding financial assets and goodwill, lacking physical substance with an indefinite life, from an acquisition. + References No definition available. + Details
Name: | us-gaap_IndefinitelivedIntangibleAssetsAcquired
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |