CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss [Member]	Total
Balances at Oct. 31, 2021	$ 662	$ 63,924	$ 175,574	$ (1,741)	$ 238,419
Balances (in shares) at Oct. 31, 2021	6,617,717
Net income (loss)			5,564		5,564
Other comprehensive income (loss)				(9,023)	(9,023)
Stock-based compensation expense, net of taxes withheld for vested restricted shares	$ 3				1,387
Stock-based compensation expense, net of taxes withheld for vested restricted shares (in shares)	33,761
Stock-based compensation expense, net of taxes withheld for vested restricted shares		1,384
Exercise of common stock options	$ 1	116			117
Exercise of common stock options (in shares)	5,437
Stock repurchases	$ (9)	(2,881)			(2,890)
Stock repurchases (in shares)	(89,921)
Dividends paid			(1,923)		(1,923)
Balances at Apr. 30, 2022	$ 657	62,543	179,215	(10,764)	231,651
Balances (in shares) at Apr. 30, 2022	6,566,994
Balances at Jan. 31, 2022	$ 661	63,404	178,172	(2,767)	239,470
Balances (in shares) at Jan. 31, 2022	6,607,437
Net income (loss)			2,029		2,029
Other comprehensive income (loss)				(7,997)	(7,997)
Stock-based compensation expense, net of taxes withheld for vested restricted shares	$ 1				806
Stock-based compensation expense, net of taxes withheld for vested restricted shares (in shares)	9,321
Stock-based compensation expense, net of taxes withheld for vested restricted shares		805
Stock repurchases	$ (5)	(1,666)			(1,671)
Stock repurchases (in shares)	(49,764)
Dividends paid			(986)		(986)
Balances at Apr. 30, 2022	$ 657	62,543	179,215	(10,764)	231,651
Balances (in shares) at Apr. 30, 2022	6,566,994
Balances at Oct. 31, 2022	$ 657	63,635	179,877	(21,525)	222,644
Balances (in shares) at Oct. 31, 2022	6,566,994
Net income (loss)			1,707		1,707
Other comprehensive income (loss)				8,516	8,516
Stock-based compensation expense, net of taxes withheld for vested restricted shares	$ 5				1,211
Stock-based compensation expense, net of taxes withheld for vested restricted shares (in shares)	49,874
Stock-based compensation expense, net of taxes withheld for vested restricted shares		1,206
Exercise of common stock options	$ 1	269			270
Exercise of common stock options (in shares)	11,559
Stock repurchases	$ (17)	(4,592)			(4,609)
Stock repurchases (in shares)	(166,289)
Dividends paid			(2,034)		(2,034)
Balances at Apr. 30, 2023	$ 646	60,518	179,550	(13,009)	227,705
Balances (in shares) at Apr. 30, 2023	6,462,138
Balances at Jan. 31, 2023	$ 659	63,621	180,212	(11,642)	232,850
Balances (in shares) at Jan. 31, 2023	6,587,694
Net income (loss)			377		377
Other comprehensive income (loss)				(1,367)	(1,367)
Stock-based compensation expense, net of taxes withheld for vested restricted shares	$ 1				750
Stock-based compensation expense, net of taxes withheld for vested restricted shares (in shares)	13,914
Stock-based compensation expense, net of taxes withheld for vested restricted shares		749
Stock repurchases	$ (14)	(3,852)			(3,866)
Stock repurchases (in shares)	(139,470)
Dividends paid			(1,039)		(1,039)
Balances at Apr. 30, 2023	$ 646	$ 60,518	$ 179,550	$ (13,009)	$ 227,705
Balances (in shares) at Apr. 30, 2023	6,462,138