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Life Insurance Proceeds | 12 Months Ended
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Jan. 31, 2013
Life Insurance Proceeds [Abstract] |
Life Insurance Proceeds | Note 16—Life Insurance Proceeds During the second quarter of fiscal 2012, we recognized income on key-man life insurance proceeds of $300,000. This income is included in other income in the accompanying consolidated statements of operations for the year end January 31, 2012.

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- Definition This element represents the disclosure of life insurance proceeds received by the Company in regards to settlement of a key-man life insurance policy. + References No definition available. + Details
Name: | alot_LifeInsuranceProceedsDisclosureTextBlock
Namespace Prefix: | alot_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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