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, 2020	9,814,118
Balance at Oct. 31, 2020	$ 98	$ 22,946	$ 9,020	$ 32,064
Stock-based compensation expense		123		123
Issuance of restricted stock (in shares)	36,834
Issuance of restricted stock	$ 1	(1)
Tax withholding related to vesting of restricted stock (in shares)	(2,367)
Tax withholding related to vesting of restricted stock		(11)		(11)
Consolidated net loss	$ 0	0	(403)	(403)
Balance (in shares) at Jan. 31, 2021	9,962,456
Balance at Jan. 31, 2021	$ 100	23,441	8,617	32,158
Exercise of stock options (in shares)	118,189
Exercise of stock options	$ 1	384		385
Forfeiture of restricted stock (in shares)	(4,318)
Balance (in shares) at Oct. 31, 2021	10,058,571
Balance at Oct. 31, 2021	$ 101	24,301	15,201	39,603
Stock-based compensation expense		139		139
Issuance of restricted stock (in shares)	39,666
Issuance of restricted stock	$ 0	0
Tax withholding related to vesting of restricted stock (in shares)	(2,062)
Tax withholding related to vesting of restricted stock		(13)		(13)
Consolidated net loss	$ 0	0	(277)	(277)
Balance (in shares) at Jan. 31, 2022	10,096,175
Balance at Jan. 31, 2022	$ 101	$ 24,427	$ 14,924	$ 39,452