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Summary of Option Outstanding and Exercisable (Details) - $ / shares
3 Months Ended
Apr. 30, 2023
Jan. 31, 2023
Equity [Abstract]    
Range of exercise price lower range limit $ 0.52  
Range of exercise price upper range limit $ 1.48  
Number Outstanding 489,000 689,000
Weighted Average Remaining Contractual Life (in years) 2 years 11 months 12 days  
Weighted Average Exercise Price $ 0.93 $ 0.77
Number Exercisable 339,000 539,000
Weighted Average Exercisable Exercise Price $ 0.68 $ 0.57