Note 2 - Summary of Significant Account Policies (Details Textual)	6 Months Ended
May 31, 2018
Maximum [Member]
Lessor, Capital Lease, Term of Contract	3 years

Represents the term of the lessor's leasing arrangement under capital leases.

No definition available.

Name:	artw_LessorCapitalLeaseTermOfContract
Namespace Prefix:	artw_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration