Note 19 - Quarterly Results of Operations - Quarterly Results of Operations (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended											12 Months Ended
	Nov. 27, 2021	Aug. 28, 2021	May 29, 2021	Feb. 27, 2021	Nov. 28, 2020	[1]	Aug. 29, 2020	[2]	May 30, 2020	[3]	Feb. 29, 2020	Nov. 27, 2021	Nov. 28, 2020	Nov. 30, 2019
Sales revenues	$ 129,896	$ 118,906	$ 124,059	$ 113,673	$ 118,383		$ 91,559		$ 63,801		$ 112,120	$ 486,534	$ 385,863	$ 452,087
Income from operations	7,109	4,490	8,379	6,021	10,049		2,747		(31,229)		2,210	25,999	(16,223)	(595)
Net income (loss)	$ 5,041	$ 3,016	$ 5,974	$ 4,011	$ 6,543		$ 2,178		$ (20,352)		$ 1,210	$ 18,042	$ (10,421)	$ (1,928)
Basic earnings per share (in dollars per share)	$ 0.52	$ 0.31	$ 0.60	$ 0.40	$ 0.65		$ 0.22		$ (2.04)		$ 0.12	$ 1.83	$ (1.05)	$ (0.19)
Diluted earnings per share (in dollars per share)	$ 0.52	$ 0.31	$ 0.60	$ 0.40	$ 0.65		$ 0.22		$ (2.04)		$ 0.12	$ 1.83	$ (1.05)	$ (0.19)
Furniture and Accessories [Member]
Sales revenues	$ 114,364	$ 104,870	$ 109,997	$ 101,655	$ 105,389		$ 80,341		$ 53,000		$ 98,942	$ 430,886	$ 337,672	$ 403,865
Cost of goods and service sold	56,373	52,263	52,911	48,252	50,427		38,418		29,452		45,270	209,799	163,567	179,244
Logistical Services [Member]
Sales revenues	$ 15,532	$ 14,036	$ 14,062	$ 12,018	$ 12,994		$ 11,218		$ 10,801		$ 13,178	55,648	48,191	48,222
Cost of goods and service sold												$ 53,905	$ 46,946	$ 46,367

[1] Income from operations includes a gain of $1,161 arising from the settlement of a lease obligation (see Note 13).

[2] Net income includes a non-taxable gain of $914 arising from the recognition of a death benefit from Company-owned life insurance (see Note 13).

[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 7), asset impairment charges of $12,184 and a litigation expense accrual of $1,050 (see Note 13). 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 12).