Warrants (Tables)
3 Months Ended
May 31, 2019
Equity [Abstract]  
Warrant activity
    2019      2018  
    Number of warrants     Weighted average exercise price     Number of warrants     Weighted average exercise price  
Outstanding, beginning of period     802,469     $ 10.74       140,667     $ 12.00  
Issued     159,663       8.55       -       -  
Exercised     -       -       -       -  
Expired     -       -       -       -  
Outstanding, end of period     962,132     $ 10.38       140,667     $ 12.00  
Warrants outstanding
    2019  
    Number of warrants     Weighted average exercise price  
January 15, 2020     277,778     $ 9.32  
January 21, 2020     24,691       9.32  
October 9, 2020     159,663       8.55  
February 25, 2021     200,000       11.00  
February 25, 2021     300,000       12.00  
Outstanding, end of period     962,132     $ 10.38