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Income Taxes - Projected Effective Tax Rate for Periods (Detail)	3 Months Ended	6 Months Ended
	Aug. 03, 2013	Aug. 03, 2013
Income Tax Disclosure [Abstract]
Fiscal 2014	38.40%	10.70%
Fiscal 2013	39.50%	4.90%

X

- Definition

Projected effective tax rate current year.

+ References

No definition available.

+ Details

Name:	alot_ProjectedEffectiveTaxRateCurrentYear
Namespace Prefix:	alot_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Projected effective tax rate one year before.

+ References

No definition available.

+ Details

Name:	alot_ProjectedEffectiveTaxRateOneYearBefore
Namespace Prefix:	alot_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Details

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