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Discontinued Operations - Additional Information (Detail) (USD $)	0 Months Ended	3 Months Ended	9 Months Ended
	Jan. 31, 2013	May 03, 2014	Nov. 01, 2014
Discontinued Operations and Disposal Groups [Abstract]
Proceeds from sale	$ 18,600,000		$ 1,800,000
Period of transition services and manufacturing, Maximum			12 months
Transition Service Agreement expiration date			Jan. 31, 2014
Amount received from disposition of inventory		$ 2,355,000	$ (2,355,000)

X

- Definition

Expiration date of original agreement to provide transition services to purchaser of Grass operation.

+ References

No definition available.

+ Details

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X

- Definition

Discontinued Operations Amount Received From Disposition of Inventory.

+ References

No definition available.

+ Details

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X

- Definition

Period company to provide transition services to purchaser of Grass operations under terms of original agreement.

+ References

No definition available.

+ Details

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Namespace Prefix:	alot_
Data Type:	xbrli:durationItemType
Balance Type:	na
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X

- Details

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X

- Definition

The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 12

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585

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