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, 2021	10,058,571
Balance at Oct. 31, 2021	$ 101	$ 24,301	$ 15,201	$ 39,603
Exercise of stock options	1	56	0	57
Stock-based compensation expense	$ 0	307	0	307
Tax withholding related to vesting of restricted stock (in shares)	(2,479)
Tax withholding related to vesting of restricted stock	$ 0	(16)	0	(16)
Consolidated net loss	$ 0	0	226	226
Exercise of stock options (in shares)	22,927
Issuance of restricted stock (in shares)	39,666
Issuance of restricted stock	$ 0	0	0	0
Balance (in shares) at Apr. 30, 2022	10,118,685
Balance at Apr. 30, 2022	$ 102	24,648	15,427	40,177
Balance (in shares) at Jan. 31, 2022	10,096,175
Balance at Jan. 31, 2022	$ 101	24,427	14,924	39,452
Exercise of stock options	1	56	0	57
Stock-based compensation expense	$ 0	168	0	168
Tax withholding related to vesting of restricted stock (in shares)	(417)
Tax withholding related to vesting of restricted stock	$ 0	(3)	0	(3)
Consolidated net loss	$ 0	0	503	503
Exercise of stock options (in shares)	22,927
Issuance of restricted stock	$ 0		0
Balance (in shares) at Apr. 30, 2022	10,118,685
Balance at Apr. 30, 2022	$ 102	24,648	15,427	40,177
Balance (in shares) at Oct. 31, 2022	10,193,287
Balance at Oct. 31, 2022	$ 102	25,118	16,649	41,869
Exercise of stock options	$ 0	85		85
Stock-based compensation expense		441		441
Tax withholding related to vesting of restricted stock (in shares)	(2,002)
Tax withholding related to vesting of restricted stock		(10)		(10)
Issuance of restricted stock		0
Consolidated net loss			(581)	$ (581)
Exercise of stock options (in shares)	45,000			45,000
Issuance of restricted stock (in shares)	54,092
Issuance of restricted stock	$ 1
Balance (in shares) at Apr. 30, 2023	10,290,377
Balance at Apr. 30, 2023	$ 103	25,634	16,068	$ 41,805
Balance (in shares) at Jan. 31, 2023	10,291,067
Balance at Jan. 31, 2023	$ 103	25,408	15,487	40,998
Exercise of stock options	$ 0
Stock-based compensation expense		229		229
Tax withholding related to vesting of restricted stock (in shares)	(690)
Tax withholding related to vesting of restricted stock		(3)		(3)
Issuance of restricted stock		0
Consolidated net loss			581	581
Balance (in shares) at Apr. 30, 2023	10,290,377
Balance at Apr. 30, 2023	$ 103	$ 25,634	$ 16,068	$ 41,805