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Summary of Option Activity (Details) - $ / shares
3 Months Ended
Apr. 30, 2023
Jan. 31, 2023
Equity [Abstract]    
Options Outstanding, Balance 689,000  
Weighted Average Exercise Price, Outstanding Balance $ 0.77  
Options Outstanding Exercisable, Balance 539,000  
Weighted Average Exercise Price, Exercisable Balance $ 0.57  
Options, Granted  
Weighted Average Exercise Price, Granted  
Options, Exercised (200,000) (200,000)
Weighted Average Exercise Price, Exercised $ 0.39 $ 0.39
Options Outstanding, Balance 489,000 689,000
Weighted Average Exercise Price, Outstanding Balance $ 0.93 $ 0.77
Options Outstanding Exercisable, Balance 339,000 539,000
Weighted Average Exercise Price, Exercisable Balance $ 0.68 $ 0.57