Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Oct. 31, 2018	9,291,201
Balance at Oct. 31, 2018	$ 93	$ 20,974	$ 6,716	$ 27,783
Exercise of stock options (in shares)	171,066			171,066
Exercise of stock options	$ 2	658		$ 660
Stock-based compensation expense		317		317
Dividends			(748)	(748)
Consolidated net income (A)			3,521	3,521
Balance (in shares) at Oct. 31, 2019	9,462,267
Balance at Oct. 31, 2019	$ 95	21,949	9,489	$ 31,533
Exercise of stock options (in shares)	241,209			241,209
Exercise of stock options	$ 2	443		$ 445
Stock-based compensation expense		473		473
Dividends			(388)	(388)
Consolidated net income (A)			(81)	(81)
Issuance of restricted stock (in shares)	97,451
Issuance of restricted stock	$ 1	(1)
Issuance of common shares (in shares)	13,191
Issuance of common shares		82		82
Balance (in shares) at Oct. 31, 2020	9,814,118
Balance at Oct. 31, 2020	$ 98	$ 22,946	$ 9,020	$ 32,064