Retirement Plans (Life Insurance) (Details) - USD ($)	12 Months Ended
	Jan. 31, 2025	Jan. 31, 2024
Retirement Benefits [Abstract]
Death benefits due to participants	$ 1,300,000
Liability beginning of year	1,468,000	$ 1,643,000
Accretion expense	27,000	25,000
Present value of death benefits paid	(150,000)	(200,000)
Liability end of year	1,345,000	1,468,000
Cash surrender value	900,000	1,100,000
Life Insurance, Death Benefits Payable	$ 2,200,000	$ 2,800,000