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]
Beginning balance at Nov. 02, 2013	$ 35,183,656	$ 536,491	$ 10,632,060	$ 33,319,784	$ 240,378	$ (9,545,057)
Beginning balance, shares at Nov. 02, 2013		4,057,053
Purchase of treasury stock, shares	0
Stock-based compensation	$ 8,091		8,091
Unrealized investment gain	41,212				41,212
Exercise of employee stock options	$ 46,603		3,715			42,888
Exercise of employee stock options, shares	5,875	5,875
Other	$ 12,500					12,500
Other, shares		941
Net income	1,257,898			1,257,898
Ending balance at Nov. 01, 2014	36,549,960	$ 536,491	10,643,866	34,577,682	281,590	(9,489,669)
Ending balance, shares at Nov. 01, 2014		4,063,869
Purchase of treasury stock	$ (360,844)					(360,844)
Purchase of treasury stock, shares	(34,800)	(34,800)
Stock-based compensation	$ 9,287		9,287
Unrealized investment gain	(33,866)				(33,866)
Exercise of employee stock options	$ 15,820		(2,430)			18,250
Exercise of employee stock options, shares	2,000	2,500
Net income	$ 2,915,395			2,915,395
Ending balance at Oct. 31, 2015	$ 39,095,752	$ 536,491	$ 10,650,723	$ 37,493,077	$ 247,724	$ (9,832,263)
Ending balance, shares at Oct. 31, 2015		4,031,569