Condensed Consolidated Statements of Changes in Stockholders' Equity - USD ($)	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]	Treasury Stock [Member]
Balance at Nov. 04, 2017	$ 47,414,297	$ 536,491	$ 10,669,231	$ 46,167,528	$ 412,233	$ (10,371,186)
Balance, shares at Nov. 04, 2017		3,997,569
Purchase of treasury stock	(94,500)					(94,500)
Purchase of treasury stock, shares		(4,500)
Stock-based compensation	441		441
Unrealized investment loss, net of tax effect	22,347				22,347
Net income	1,016,236			1,016,236
Balance at Feb. 03, 2018	48,358,821	$ 536,491	10,669,672	47,183,764	434,580	(10,465,686)
Balance, shares at Feb. 03, 2018		3,993,069
Balance at Nov. 04, 2017	47,414,297	$ 536,491	10,669,231	46,167,528	412,233	(10,371,186)
Balance, shares at Nov. 04, 2017		3,997,569
Unrealized investment loss, net of tax effect	(45,510)
Net income	2,151,841
Balance at May. 05, 2018	46,237,897	$ 536,491	10,670,113	47,540,755	366,724	(12,876,186)
Balance, shares at May. 05, 2018		3,874,069
Balance at Feb. 03, 2018	48,358,821	$ 536,491	10,669,672	47,183,764	434,580	(10,465,686)
Balance, shares at Feb. 03, 2018		3,993,069
Cash dividend	(778,614)			(778,614)
Purchase of treasury stock	(2,410,500)					(2,410,500)
Purchase of treasury stock, shares		(119,000)
Stock-based compensation	441		441
Unrealized investment loss, net of tax effect	(67,857)				(67,856)
Net income	1,135,605			1,135,605
Balance at May. 05, 2018	46,237,897	$ 536,491	10,670,113	47,540,755	366,724	(12,876,186)
Balance, shares at May. 05, 2018		3,874,069
Balance at Nov. 03, 2018	49,066,501	$ 536,491	10,670,848	50,352,546	390,407	(12,883,791)
Balance, shares at Nov. 03, 2018		3,873,731
Stock-based compensation	750		750
Unrealized investment loss, net of tax effect	(16,540)				(16,540)
Net income	1,535,806			1,535,806
Balance at Feb. 02, 2019	50,586,516	$ 536,491	10,671,598	51,888,351	373,867	(12,883,791)
Balance, shares at Feb. 02, 2019		3,873,731
Balance at Nov. 03, 2018	49,066,501	$ 536,491	10,670,848	50,352,546	390,407	(12,883,791)
Balance, shares at Nov. 03, 2018		3,873,731
Unrealized investment loss, net of tax effect	55,712
Net income	3,355,531
Balance at May. 04, 2019	48,322,892	$ 536,491	10,678,137	49,843,861	446,119	(13,181,716)
Balance, shares at May. 04, 2019		3,860,513
Balance at Feb. 02, 2019	50,586,516	$ 536,491	10,671,598	51,888,351	373,867	(12,883,791)
Balance, shares at Feb. 02, 2019		3,873,731
Cash dividend	(3,864,216)			(3,864,216)
Purchase of treasury stock	(302,115)					(302,115)
Purchase of treasury stock, shares		(13,703)
Stock-based compensation	10,729		6,539			4,190
Stock-based compensation, shares		485
Unrealized investment loss, net of tax effect	39,172				72,252
Net income	1,819,725			1,819,725
Balance at May. 04, 2019	$ 48,322,892	$ 536,491	$ 10,678,137	$ 49,843,861	$ 446,119	$ (13,181,716)
Balance, shares at May. 04, 2019		3,860,513