Note 2 - Significant Accounting Policies (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Nov. 26, 2022	Nov. 27, 2021	Nov. 28, 2020	Sep. 02, 2022	Dec. 01, 2019
Contract with Customer, Liability, Total	$ 35,963	$ 51,492
Percent Of Aggregate Risk Exposure Net Of Reserves Attributable To Major Customers	31.00%	24.00%
Percentage of LIFO Inventory	46.00%	53.00%
Non-cash goodwill impairment charge	$ 0	$ 0	$ 1,971
Retained Earnings (Accumulated Deficit), Total	150,800	115,631
Advertising Expense	16,698	15,228	12,619
Deliver Wholesale Merchandise to Customers [Member]
Selling, General and Administrative Expense, Delivery Costs	21,341	17,829	14,779
Deliver Retail Merchandise to Customers [Member]
Selling, General and Administrative Expense, Delivery Costs	23,812	22,494	19,024
Accounting Standards Update 2016-02 [Member]
Lease, Right-of-Use Asset, Net					$ 146,585
Lease, Liability, Net					151,672
Deferred Income Tax Liabilities, Net					1,302
Retained Earnings (Accumulated Deficit), Total					$ 3,785
Non-US [Member]
Revenues, Total	731	488	$ 789
Sales Commissions [Member] | Other Current Assets [Member]
Capitalized Contract Cost, Net, Total	$ 3,768	$ 6,221
Minimum [Member]
Payment Terms For Wholesale Customers	30 days
Minimum [Member] | Building and Building Improvements [Member]
Property, Plant and Equipment, Useful Life	10 years
Minimum [Member] | Machinery and Equipment [Member]
Property, Plant and Equipment, Useful Life	5 years
Minimum [Member] | Real Estate Lease [Member]
Lessee, Operating Lease, Term of Contract	1 year
Lessee, Operating Lease, Renewal Term	5 years
Maximum [Member]
Payment Terms For Wholesale Customers	60 days
Maximum [Member] | Building and Building Improvements [Member]
Property, Plant and Equipment, Useful Life	39 years
Maximum [Member] | Machinery and Equipment [Member]
Property, Plant and Equipment, Useful Life	10 years
Maximum [Member] | Real Estate Lease [Member]
Lessee, Operating Lease, Term of Contract	15 years
Lessee, Operating Lease, Renewal Term	15 years
Noa Home Inc. [Member]
Business Acquisition, Percentage of Voting Interests Acquired				100.00%