CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Jan. 31, 2024	Jan. 31, 2023
CONSOLIDATED BALANCE SHEETS
Preferred stock, par value (in dollars per share)	$ 0.10	$ 0.10
Preferred stock, shares authorized	500,000	500,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value (in dollars per share)	$ 0.15	$ 0.15
Common stock, shares authorized	30,000,000	30,000,000
Common stock, shares issued	15,828,289	15,828,289
Common stock, shares outstanding	13,242,520	13,441,590
Treasury stock, shares	2,585,769	2,386,699