Debt instrument additional basis spread.

No definition available.

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

- Definition

Percentage limit of consolidated assets and revenues.

+ References

No definition available.

+ Details

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

- Definition

Percentage of assets acquired on consolidated assets.

+ References

No definition available.

+ Details

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

- Definition

Percentage of revenues acquired on consolidated revenues.

+ References

No definition available.

+ Details

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

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

Name:	us-gaap_LineOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Average amount borrowed under the credit facility during the period.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityAverageOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Date the credit facility terminates, in CCYY-MM-DD format.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityExpirationDate1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

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

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of cash outflow for the purchase of or improvements to tangible or intangible assets, used to produce goods or deliver services, classified as other.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585

+ Details

Name:	us-gaap_PaymentsToAcquireOtherProductiveAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_FederalFundsEffectiveSwapRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

Name:	us-gaap_DebtInstrumentAxis=alot_SecondAmendmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=alot_ThirdAmendmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LineOfCreditFacilityAxis=alot_BankOfAmericaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=alot_TermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Credit Agreement - Additional Information (Detail) - USD ($)			3 Months Ended	12 Months Ended
	Apr. 17, 2018	Sep. 28, 2017	Apr. 28, 2018	Jan. 31, 2018	Nov. 30, 2017	Nov. 29, 2017	Sep. 27, 2017	Feb. 28, 2017
Line of Credit Facility [Line Items]
Credit facility, maximum borrowing capacity		$ 15,000,000					$ 10,000,000
Initial upfront payment		$ 14,600,000	$ 400,000
Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Commitment fee rate			0.25%
Credit facility, borrowing amount			$ 0
Revolving Credit Facility [Member] \| LIBOR [Member]
Line of Credit Facility [Line Items]
Interest rate			1.00%
Revolving Credit Facility [Member] \| Federal Funds Effective Swap Rate [Member]
Line of Credit Facility [Line Items]
Interest rate			0.50%
Revolving Credit Facility [Member] \| Minimum [Member]
Line of Credit Facility [Line Items]
Percentage added to variable rate			0.00%
Revolving Credit Facility [Member] \| Minimum [Member] \| LIBOR [Member]
Line of Credit Facility [Line Items]
Interest rate			1.00%
Revolving Credit Facility [Member] \| Maximum [Member]
Line of Credit Facility [Line Items]
Percentage added to variable rate			0.50%
Revolving Credit Facility [Member] \| Maximum [Member] \| LIBOR [Member]
Line of Credit Facility [Line Items]
Interest rate			1.50%
Second Amendment [Member] \| Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Credit facility, maximum borrowing capacity					$ 10,000,000
Revolving credit facility termination and maturity date				Nov. 30, 2022
Third Amendment [Member] \| Maximum [Member]
Line of Credit Facility [Line Items]
Percentage of total assets to qualify as subsidiary	5.00%
Percentage of revenues to qualify as subsidiary	5.00%
Percentage of assets and revenues to qualify as subsidiary	10.00%
Bank of America, N.A. [Member] \| Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Credit facility, maximum borrowing capacity								$ 10,000,000
Bank of America, N.A. [Member] \| Term Loan [Member]
Line of Credit Facility [Line Items]
Principal amount of debt					$ 15,000,000			$ 9,200,000
Bank of America, N.A. [Member] \| Second Amendment [Member] \| Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Credit facility, maximum borrowing capacity						$ 15,000,000
Revolving loan outstanding						$ 14,600,000