XML 39 R53.htm IDEA: XBRL DOCUMENT v3.2.0.727

Securities Available for Sale - Additional Information (Detail) - 6 months ended Aug. 01, 2015 - USD ($)	Total
Schedule of Available-for-sale Securities [Line Items]
Impairment charges on available for sale security	$ 0
Minimum [Member]
Schedule of Available-for-sale Securities [Line Items]
Original maturity of short-term investments	90 days
Anticipated maturity period	1 month
Maximum [Member]
Schedule of Available-for-sale Securities [Line Items]
Anticipated maturity period	31 months

X

- Definition

Available For Sale Securities Expected Maturity Period

+ References

No definition available.

+ Details

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

X

- Definition

Minimum number of days that short-term investments would mature.

+ References

No definition available.

+ Details

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

X

- Definition

The amount by which the fair value of an investment in debt and equity securities categorized as Available-for-sale is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 320



-SubTopic 10



-Section 50



-Paragraph 2



-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563

+ Details

Name:	us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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

X

- Details

Name:	us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: