Summary of Significant Accounting Policies - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($)	3 Months Ended		9 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2020	Oct. 31, 2019
Accounting Policies [Abstract]
Net income attributable to common stockholders	$ 734,142	$ 408,615	$ 2,380,111	$ 1,122,589
Effect of dilutive securities:
Diluted net income	$ 734,142	$ 408,615	$ 2,380,111	$ 1,122,589
Weighted average common shares outstanding - basic	34,225,446	31,991,241	32,832,450	31,935,837
Series A Preferred
Options	575,139	99,969	575,139	99,969
Warrants	925,399		925,399
Weighted average common shares outstanding and assumed conversion - diluted	35,725,984	32,091,210	34,322,988	32,035,806
Basic net income per common share	$ 0.02	$ 0.01	$ 0.07	$ 0.04
Diluted net income per common share	$ 0.02	$ 0.01	$ 0.07	$ 0.04
(a) - Anti-dilutive securities excluded:		6,579,164		6,579,164