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Income Taxes (Details)	3 Months Ended	9 Months Ended
	Oct. 27, 2012	Oct. 27, 2012
Projected effective tax rate for the periods
Fiscal 2013	38.90%	32.00%
Fiscal 2012	28.50%	32.00%

X

- Details

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Namespace Prefix:	alot_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

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

Effective tax rate, prior year.

+ References

No definition available.

+ Details

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