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Fair Value - Additional Information (Detail) (Maximum [Member])	3 Months Ended
	May 03, 2014
Maximum [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents, maturity period	90 days

X

- Definition

Cash And Cash Equivalents Maturity Period

+ References

No definition available.

+ Details

Name:	alot_CashAndCashEquivalentsMaturityPeriod
Namespace Prefix:	alot_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Details

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