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Consolidated Balance Sheets (Parenthetical) - $ / shares
Jan. 31, 2023
Jan. 31, 2022
Statement of Financial Position [Abstract]    
Preference shares, par value $ 0.00045 $ 0.00045
Preference shares, shares authorized 20,000,000 20,000,000
Preference shares, shares issued 0 0
Preference shares, shares outstanding 0 0
Ordinary shares, par value $ 0.00045 $ 0.00045
Ordinary shares, shares authorized 200,000,000 200,000,000
Ordinary shares, shares issued 39,043,000 37,302,818
Ordinary shares, shares outstanding 39,043,000 37,302,818