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Summary of Business and Significant Accounting Policies (Tables)
3 Months Ended
Apr. 30, 2019
Accounting Policies [Abstract]  
Schedule of Certain Risks and Concentrations of Credit Risk

The following customers individually exceeded 10% of total accounts receivable as of the dates shown:  

 

 

 

April 30,

 

 

January 31,

 

 

 

2019

 

 

2019

 

Customer 1

 

*

 

 

17%

 

Customer 2

 

*

 

 

10%

 

Customer 3

 

10%

 

 

*

 

 

 

 

 

 

 

 

 

 

 

 

*

Does not exceed 10%.