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Income Taxes - Projected Effective Tax Rate for Periods (Detail)	3 Months Ended
	May 03, 2014
Income Tax Disclosure [Abstract]
Fiscal 2015	28.50%
Fiscal 2014	(42.10%)

X

- Definition

Effective tax rate for the current year based on projected effective tax rate for the full year.

+ References

No definition available.

+ Details

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

X

- Definition

Effective tax rate for the prior year based on projected effective tax rate for the full year.

+ References

No definition available.

+ Details

Name:	alot_EffectiveTaxRatePriorYear
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