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Note 7 - Product Warranty (Details Textual) | 12 Months Ended
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Nov. 30, 2014
Product Warranties Disclosures [Abstract] |
Standard Product Warrant Term | 1 year

X
- Definition Approximate term of the product warranty, + References No definition available. + Details
Name: | artw_StandardProductWarrantyTerm
Namespace Prefix: | artw_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_ProductWarrantiesDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration