Consolidated Balance Sheets (Parentheticals) - USD ($)	Jan. 31, 2026	Jan. 31, 2025
Allowance for credit losses	$ 332,000	$ 332,000
Preferred stock, par value (in dollars per share)	$ 1	$ 1
Preferred stock, authorized (in shares)	2,000,000	2,000,000
Preferred stock, issued (in shares)	0	0
Preferred stock, outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, authorized (in shares)	40,000,000	40,000,000
Common stock, issued (in shares)	9,089,055	7,969,421
Common stock, outstanding (in shares)	9,089,000	7,969,000