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Note 6 - Product Warranty (Details) | 3 Months Ended
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Feb. 28, 2013
Product Warranty Disclosure [Text Block] |
Standard Product Warranty Description | one

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- Details
Name: | artw_ProductWarrantyDisclosureTextBlockAbstract
Namespace Prefix: | artw_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Describes the nature of the product warranty, including the approximate term of the product warranty, how the product warranty arose, and the events or circumstances that would require the warrantor to perform under the product warranty. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249 + Details
Name: | us-gaap_StandardProductWarrantyDescription
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration