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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
Jul. 31, 2022
Jan. 31, 2022
CONDENSED CONSOLIDATED BALANCE SHEETS    
Preferred stock, par value $ 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 $ 0.15 $ 0.15
Common stock, shares authorized 30,000,000 30,000,000
Common stock, shares issued 15,827,772 15,788,673
Common stock, shares outstanding 13,884,195 15,257,688
Treasury stock, shares 1,943,577 530,985