Debt instrument covenant debt service coverageratio

No definition available.

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- Definition

Debt instrument covenant fixed charge coverageratio

+ References

No definition available.

+ Details

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- Definition

Debt instrument covenant interest rate increase in event of default.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Income, plus interest expense, plus income tax expense, plus depreciation expense, plus amortization expense, subject to to adjustments in USB's sole discretion.

+ References

No definition available.

+ Details

Name:	artw_EbitaAmount
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line of credit facility borrowing capacity borrowing base maximum inventoryamount

+ References

No definition available.

+ Details

Name:	artw_LineOfCreditFacilityBorrowingCapacityBorrowingBaseMaximumInventoryAmount
Namespace Prefix:	artw_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line of credit facility borrowing capacity borrowing base minimum percentage of aggregatereceivables

+ References

No definition available.

+ Details

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Namespace Prefix:	artw_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line of credit facility borrowing capacity borrowing base percentage of accountsreceivable

+ References

No definition available.

+ Details

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Namespace Prefix:	artw_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line of credit facility borrowing capacity borrowing base percentage ofinventory

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
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Period Type:	instant

- Definition

Term loan finalpayment

+ References

No definition available.

+ Details

Name:	artw_TermLoanFinalPayment
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of the required periodic payments including both interest and principal payments.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of payment greater than the preceding installment payments to be paid at final maturity date of debt.

+ References

No definition available.

+ Details

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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

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-Name Accounting Standards Codification
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-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

The effective interest rate at the end of the reporting period.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- 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 borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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

- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: 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(a)(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
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-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
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-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

+ Details

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Balance Type:	credit
Period Type:	duration

- Details

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- Details

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- Details

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- Details

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Balance Type:
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- Details

Name:	us-gaap_DebtInstrumentAxis=artw_USBankUHCLoanMember
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- Details

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Note 7 - Loan and Credit Agreements (Details Textual)		6 Months Ended		12 Months Ended
Note 7 - Loan and Credit Agreements (Details Textual)	Feb. 10, 2016 USD ($)	May 31, 2016 USD ($)	May 31, 2015 USD ($)	Nov. 30, 2015 USD ($)	Jul. 12, 2016	Apr. 27, 2016	Jul. 16, 2015 USD ($)	May 29, 2014 USD ($)	Feb. 01, 2013	May 10, 2012 USD ($)	May 01, 2010 USD ($)
The Line of Credit [Member] \| US Bank [Member] \| Minimum [Member] \| Subsequent Event [Member]
Debt Instrument, Interest Rate, Stated Percentage					5.00%
The Line of Credit [Member] \| US Bank [Member] \| Minimum [Member]
Debt Instrument, Interest Rate, Stated Percentage						4.50%
The Line of Credit [Member] \| US Bank [Member]
Line of Credit Facility, Interest Rate at Period End		4.50%
The Line of Credit [Member]
Line of Credit Facility, Maximum Borrowing Capacity		$ 5,000,000
Long-term Line of Credit		2,101,610
Line of Credit Facility, Remaining Borrowing Capacity		$ 2,953,005
Line of Credit Facility Borrowing Capacity Borrowing Base Percentage of Accounts Receivable		75.00%
Line of Credit Facility Borrowing Capacity Borrowing Base Minimum Percentage of Aggregate Receivables		20.00%
Line of Credit Facility Borrowing Capacity Borrowing Base Percentage of Inventory		50.00%
Line of Credit Facility Borrowing Capacity Borrowing Base Maximum Inventory Amount		$ 3,750,000
The 2015 Line of Credit [Member] \| US Bank [Member] \| Minimum [Member]
Debt Instrument, Interest Rate, Stated Percentage							4.50%
The 2015 Line of Credit [Member] \| US Bank [Member]
Line of Credit Facility, Maximum Borrowing Capacity							$ 200,000
Long-term Line of Credit		0
Line of Credit Facility, Remaining Borrowing Capacity		$ 200,000
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage		0.25%
Line of Credit Facility, Interest Rate at Period End		4.50%
The 2015 Line of Credit [Member]
Debt Instrument Covenant Interest Rate Increase in Event of Default				10.00%
US Bank UHC Loan [Member]
Debt Instrument, Face Amount										$ 880,000
US Bank [Member]
Debt Instrument, Interest Rate, Stated Percentage		3.15%
Term Loan Final Payment										$ 283,500
Long-term Debt		$ 401,351
The 2013 Term Notes [Member]
Debt Instrument, Interest Rate, Stated Percentage		2.98%
Long-term Debt		$ 2,428,992
Repayments of Long-term Debt	$ 1,078,196
Debt Instrument, Periodic Payment		51,350
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid		$ 1,363,000
The 2014 Term Note [Member]
Debt Instrument, Interest Rate, Stated Percentage		2.98%
Debt Instrument, Face Amount								$ 1,000,000
Long-term Debt		$ 924,136
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid		$ 890,000
US Bank New Loans [Member]
Debt Instrument Covenant Fixed Charge Coverage Ratio		1		1.15
EBITA, Amount		$ 700,000
Debt Instrument Covenant Interest Rate Increase in Event of Default				5.00%
Iowa Finance Authority [Member]
Debt Instrument, Interest Rate, Stated Percentage		2.75%		2.75%					2.75%		3.50%
Debt Instrument, Face Amount											$ 1,300,000
Long-term Debt		$ 580,456		$ 647,132
Debt Instrument, Periodic Payment		$ 12,500		12,500
Debt Instrument Covenant Debt Service Coverage Ratio		1.5
Long-term Debt		$ 4,334,935		$ 5,949,329
Repayments of Long-term Debt		$ 1,614,394	$ 637,930