Consolidated Balance Sheets (Parentheticals) - USD ($)	Jan. 31, 2025	Jan. 31, 2024
Allowance for credit losses	$ 332,000	$ 332,000
Preferred stock, par value (in dollars per share)	$ 1	$ 1
Preferred Stock, Shares Authorized (in shares)	2,000,000	2,000,000
Preferred Stock, Shares Issued (in shares)	0	1,683,000
Preferred Stock, Shares Outstanding (in shares)	0	1,683,000
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)	7,969,421	1,405,779