Unaudited Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss
Beginning balance (shares) at Jan. 31, 2023		16,210,985
Beginning balance at Jan. 31, 2023	$ 68,061	$ 162	$ 120,890	$ (50,631)	$ (2,360)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(1,442)			(1,442)
Pension adjustments, net of tax effect	0				0
Shares vested and others (shares)		0
Shares vested and others	0	$ 0	0
Stock compensation expense	$ 103		103
Ending balance (shares) at Apr. 30, 2023	16,210,985	16,210,985
Ending balance at Apr. 30, 2023	$ 66,722	$ 162	120,993	(52,073)	(2,360)
Beginning balance (shares) at Jan. 31, 2024	16,347,314	16,347,314
Beginning balance at Jan. 31, 2024	$ 91,179	$ 164	121,373	(29,048)	(1,310)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	2,140			2,140
Cash dividends	(327)			(327)
Pension adjustments, net of tax effect	(28)				(28)
Shares vested and others (shares)		0
Shares vested and others	0	$ 0	0
Stock compensation expense	172		172
Stock repurchase (shares)		(139,702)
Stock repurchase	$ (1,499)	$ (2)	(1,497)
Ending balance (shares) at Apr. 30, 2024	16,207,612	16,207,612
Ending balance at Apr. 30, 2024	$ 91,637	$ 162	$ 120,048	$ (27,235)	$ (1,338)