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EARNINGS PER SHARE (Narrative) (Details) - shares
12 Months Ended
Jan. 31, 2022
Jan. 31, 2021
Warrants And Stock Options [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share 5,463,333 16,156,413