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	149	0	150
Stock-based compensation expense	$ 0	498	0	498
Tax withholding related to vesting of restricted stock (in shares)	(2,900)
Tax withholding related to vesting of restricted stock	$ 0	(19)	0	(19)
Consolidated net loss	$ 0	0	997	997
Exercise of stock options (in shares)	60,854
Issuance of restricted stock (in shares)	39,666
Issuance of restricted stock	$ 0	0	0	0
Tax withholding related to vesting of restricted stock (in shares)	2,900
Tax withholding related to vesting of restricted stock	$ 0	19	0	19
Balance (in shares) at Jul. 31, 2022	10,156,191
Balance at Jul. 31, 2022	$ 102	24,929	16,198	41,229
Balance (in shares) at Apr. 30, 2022	10,118,685
Balance at Apr. 30, 2022	$ 102	24,648	15,427	40,177
Exercise of stock options	$ 0	93		93
Stock-based compensation expense		191		191
Tax withholding related to vesting of restricted stock (in shares)	(421)
Tax withholding related to vesting of restricted stock		(3)		(3)
Consolidated net loss			771	771
Exercise of stock options (in shares)	37,927
Tax withholding related to vesting of restricted stock (in shares)	421
Tax withholding related to vesting of restricted stock		3		3
Balance (in shares) at Jul. 31, 2022	10,156,191
Balance at Jul. 31, 2022	$ 102	24,929	16,198	41,229
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 (in shares)				45,000
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 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		687		687
Tax withholding related to vesting of restricted stock (in shares)	(2,488)
Tax withholding related to vesting of restricted stock		(12)		(12)
Issuance of restricted stock		0
Consolidated net loss			(2,226)	(2,226)
Exercise of stock options (in shares)	45,000
Issuance of restricted stock (in shares)	54,092
Issuance of restricted stock	$ 1
Tax withholding related to vesting of restricted stock (in shares)	2,488
Tax withholding related to vesting of restricted stock		12		12
Balance (in shares) at Jul. 31, 2023	10,289,891
Balance at Jul. 31, 2023	$ 103	25,878	14,423	40,404
Balance (in shares) at Apr. 30, 2023	10,290,377
Balance at Apr. 30, 2023	$ 103	25,634	16,068	41,805
Exercise of stock options	$ 0
Stock-based compensation expense		0
Tax withholding related to vesting of restricted stock (in shares)	(486)
Tax withholding related to vesting of restricted stock		(2)		(2)
Issuance of restricted stock		0
Consolidated net loss			(1,645)	(1,645)
Tax withholding related to vesting of restricted stock (in shares)	486
Tax withholding related to vesting of restricted stock		2		2
Balance (in shares) at Jul. 31, 2023	10,289,891
Balance at Jul. 31, 2023	$ 103	$ 25,878	$ 14,423	$ 40,404