Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
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)	215,943
Exercise of stock options	$ 2	389		391
Stock-based compensation expense		110		110
Issuance of restricted stock (in shares)	54,850
Issuance of restricted stock	$ 1	(1)
Consolidated net income (loss)			26	26
Issuance of common shares (in shares)	12,075
Issuance of common shares		77		77
Dividends			(193)	(193)
Balance (in shares) at Jan. 31, 2020	9,745,135
Balance at Jan. 31, 2020	$ 98	22,524	9,322	31,944
Balance (in shares) at Oct. 31, 2020	9,814,118
Balance at Oct. 31, 2020	$ 98	22,946	9,020	$ 32,064
Exercise of stock options (in shares)	118,189			118,189
Exercise of stock options	$ 1	384		$ 385
Stock-based compensation expense		123		123
Issuance of restricted stock (in shares)	36,834
Issuance of restricted stock	$ 1	(1)
Forfeiture of restricted stock (in shares)	(4,318)
Forfeiture of restricted stock
Tax withholding related to vesting of restricted stock (in shares)	(2,367)
Tax withholding related to vesting of restricted stock		(11)		(11)
Consolidated net income (loss)			(403)	(403)
Balance (in shares) at Jan. 31, 2021	9,962,456
Balance at Jan. 31, 2021	$ 100	$ 23,441	$ 8,617	$ 32,158