Note 19 - Quarterly Results of Operations - Quarterly Results of Operations (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended													12 Months Ended
	Nov. 28, 2020	[1]	Aug. 29, 2020	[2]	May 30, 2020	[3]	Feb. 29, 2020	Nov. 30, 2019	[4]	Aug. 31, 2019	Jun. 01, 2019	Mar. 02, 2019	[5]	Nov. 28, 2020	Nov. 30, 2019	Nov. 24, 2018
Sales revenues	$ 118,383		$ 91,559		$ 63,801		$ 112,120	$ 113,637		$ 109,419	$ 108,190	$ 120,841		$ 385,863	$ 452,087	$ 456,855
Cost of goods and service sold														163,567	179,244	179,581
Income (loss) from operations	10,049		2,747		(31,229)		2,210	(5,645)		3,400	701	949		(16,223)	(595)	14,084
Net income (loss)	$ 6,543		$ 2,178		$ (20,352)		$ 1,210	$ (5,138)		$ 2,157	$ 445	$ 608		$ (10,421)	$ (1,928)	$ 8,218
Basic earnings (loss) per share (in dollars per share)	$ 0.65		$ 0.22		$ (2.04)		$ 0.12	$ (0.50)		$ 0.21	$ 0.04	$ 0.06		$ (1.05)	$ (0.19)	$ 0.77
Diluted earnings (loss) per share (in dollars per share)	$ 0.65		$ 0.22		$ (2.04)		$ 0.12	$ (0.50)		$ 0.21	$ 0.04	$ 0.06		$ (1.05)	$ (0.19)	$ 0.77
Furniture and Accessories [Member]
Sales revenues	$ 105,389		$ 80,341		$ 53,000		$ 98,942	$ 102,315		$ 98,369	$ 95,824	$ 107,357		$ 337,672	$ 403,865	$ 402,469
Cost of goods and service sold	50,427		38,418		29,452		45,270	45,291		42,246	42,530	49,177
Logistical Services [Member]
Sales revenues	$ 12,994		$ 11,218		$ 10,801		$ 13,178	$ 11,322		$ 11,050	$ 12,366	$ 13,484		$ 48,191	$ 48,222	$ 54,386

[1] Income from operations includes a gain of $1,161 arising from the settlement of a lease obligation (see Note 14).

[2] Net income includes a non-taxable gain of $915 arising from the recognition of a death benefit from Company-owned life insurance (see Note 14).

[3] Loss from operations reflects the severe impact of the COVID-19 pandemic on our operations due to the temporary closure of substantially all of our operations during the quarter (see Note 1) and includes a goodwill impairment charge of $1,971 (see Note 8), asset impairment charges of $12,184 and a litigation expense accrual of $1,050 (see Note 14). Net loss includes the benefit of carrying back the loss to tax years with 35% federal statutory rate as provided for in the CARES Act (see Note 13).

[4] Loss from operations includes a charge for the impairment of goodwill of $1,926 (see Note 8) and charges of $4,431, $700 and $149 for impairment of long-lived assets, litigation costs and lease termination costs, respectively (see Note 14).

[5] Income from operations includes a charge of $835 arising from certain eligible employees' acceptance of voluntary early retirement package (see Note 14).