Quarterly report pursuant to Section 13 or 15(d)

Consolidated Balance Sheets (Parenthetical)

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Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Apr. 30, 2021
Jan. 31, 2021
Statement Of Financial Position [Abstract]    
Allowance for doubtful accounts receivable $ 931 $ 934
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 100,000,000 100,000,000
Common stock, shares issued 48,408,342 37,811,224
Common stock, shares outstanding 48,236,422 37,639,304
Treasury stock, common shares 171,920 171,920