Summary of Significant Accounting Policies (Details)
3 Months Ended 9 Months Ended
Nov. 30, 2018
Nov. 30, 2017
Nov. 30, 2018
Nov. 30, 2017
Summary Of Significant Accounting Policies Details        
Period-end Canadian $: US dollar exchange rate 0.75 0.78 0.75 0.78
Average period Canadian $: US dollar exchange rate 0.77 0.77 0.77 0.77