Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Beginning Balance at Jan. 31, 2021	$ 74,683	$ 521	$ 58,049	$ 50,085	$ (33,588)	$ (384)
Beginning Balance, Shares at Jan. 31, 2021		10,425,094
Share-Based Compensation	1,493		1,493
Employee Option Exercises	$ 157	$ 1	156
Employee Option Exercises, Shares	6,425	14,371
Restricted Stock Awards Vested, net	$ (386)	$ 6	(6)		(386)
Restricted Stock Awards Vested, net, Shares		126,939
Net Income	6,429			6,429
Other Comprehensive Income (Loss)	(1,364)					(1,364)
Ending Balance at Jan. 31, 2022	81,012	$ 528	59,692	56,514	(33,974)	(1,748)
Ending Balance, Shares at Jan. 31, 2022		10,566,404
Share-Based Compensation	1,290		1,290
Employee Option Exercises	$ 155	$ 2	153
Employee Option Exercises, Shares	42,944	25,123
Restricted Stock Awards Vested, net	$ (261)	$ 4	(4)		(261)
Restricted Stock Awards Vested, net, Shares		85,324
Net Income	2,661			2,661
Other Comprehensive Income (Loss)	(490)					(490)
Ending Balance at Jan. 31, 2023	84,367	$ 534	61,131	59,175	(34,235)	(2,238)
Ending Balance, Shares at Jan. 31, 2023		10,676,851
Share-Based Compensation	1,347		1,347
Employee Option Exercises	$ 213	$ 1	212
Employee Option Exercises, Shares	9,100	18,998
Restricted Stock Awards Vested, net	$ (358)	$ 6	(6)		(358)
Restricted Stock Awards Vested, net, Shares		116,288
Net Income	4,694			4,694
Other Comprehensive Income (Loss)	19					19
Ending Balance at Jan. 31, 2024	$ 90,282	$ 541	$ 62,684	$ 63,869	$ (34,593)	$ (2,219)
Ending Balance, Shares at Jan. 31, 2024		10,812,137