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Stockholders' Equity - Summary of Option Outstanding and Exercisable (Details)
9 Months Ended
Oct. 31, 2020
$ / shares
shares
Equity [Abstract]  
Range of exercise price lower range limit $ 0.39
Range of exercise price upper range limit $ 1.38
Number of Options Outstanding | shares 909,500
Weighted Average Remaining Contractual Life (in years), Options Outstanding 1 year 10 months 25 days
Weighted Average Exercise Price, Options Outstanding $ 0.71
Number of Options Exercisable | shares 899,500
Weighted Average Exercise Price, Options Exercisable $ 0.70