Summary of Significant Accounting Policies and Restatement of Previously Issued Financial Statements (Tables)
 6 Months Ended
Aug. 31, 2018
Summary Of Significant Accounting Policies And Restatement Of Previously Issued Financial Statements  
Summary of Foreign currency translations and transactions
    Three Months Ended August 31,     Six Months Ended August 31,  
    2018     2017     2018     2017  
Period-end Canadian $: US dollar exchange rate   $ 0.77     $ 0.80     $ 0.77     $ 0.80  
Average period Canadian $: US dollar exchange rate   $ 0.77     $ 0.76     $ 0.77     $ 0.76