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Note 3 - Allowance for Doubtful Accounts - Activity in the Allowance for Doubtful Accounts (Details) - USD ($) | 12 Months Ended
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Nov. 30, 2018 | Nov. 30, 2017
Balance, beginning | $ 32,298 | $ 22,746
Provision charged to expense | 2,242 | 11,187
Less amounts charged-off | (9,440) | (1,635)
Balance, ending | $ 25,100 | $ 32,298

X
- Definition Amount of expense related to write-down of receivables to the amount expected to be collected prior to the consideration of charge-offs. Includes, but is not limited to, accounts receivable and notes receivable. + References No definition available. + Details
Name: | artw_ProvisionForDoubtfulAccountsBeforeChargeoffs
Namespace Prefix: | artw_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Amount of direct write-downs of accounts receivable charged against the provision for doubtful accounts + References No definition available. + Details
Name: | artw_ProvisionForDoubtfulAccountsChargeoffs
Namespace Prefix: | artw_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition For an unclassified balance sheet, a valuation allowance for receivables due a company that are expected to be uncollectible. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5074-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_AllowanceForDoubtfulAccountsReceivable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant