Income Taxes - Projected Effective Tax Rate for Periods (Detail)	3 Months Ended	6 Months Ended
Aug. 02, 2014	Aug. 02, 2014
Income Tax Disclosure [Abstract]
Fiscal 2015	36.10%	33.00%
Fiscal 2014	38.40%	10.70%

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

No definition available.

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