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Share-Based Payments (Details 1) - $ / shares
12 Months Ended
Feb. 28, 2019
Feb. 28, 2018
Feb. 28, 2017
Exercise price $ 7.53 $ 7.99 $ 0.96
Number of stock options, outstanding 1,962,400 2,374,581 1,010,000
Number of stock options, exercisable 1,126,664 841,249  
Weighted average remaining life, outstanding 6 years 10 months 28 days 9 years 18 days  
Weighted average remaining life, exercisable 5 years 11 months 26 days 7 years 8 months 1 day  
Stock Option 1      
Exercise price $ .80 $ 0.80  
Number of stock options, outstanding 582,081 602,081  
Weighted average remaining life, outstanding 6 years 9 months 4 days 7 years 9 months  
Stock Option 2      
Exercise price $ 3.00 $ 3.00  
Number of stock options, outstanding 0 12,500  
Weighted average remaining life, outstanding 0 years 3 months  
Stock Option 3      
Exercise price $ 5.25 $ 5.25  
Number of stock options, outstanding 380,000 530,000  
Weighted average remaining life, outstanding 8 years 6 months 9 years 5 months 26 days  
Stock Option 4      
Exercise price $ 8.75 $ 8.75  
Number of stock options, outstanding 26,693 0  
Weighted average remaining life, outstanding 10 years 0 years  
Stock Option 5      
Exercise price $ 11.52 $ 11.52  
Number of stock options, outstanding 13,209 0  
Weighted average remaining life, outstanding 9 years 4 months 10 days 0 years  
Stock Option 6      
Exercise price $ 12.00 $ 12.00  
Number of stock options, outstanding 700,000 700,000  
Weighted average remaining life, outstanding 8 years 6 months 14 days 9 years 6 months 14 days  
Stock Option 7      
Exercise price $ 13.49 $ 13.49  
Number of stock options, outstanding 193,750 250,000  
Weighted average remaining life, outstanding 2 months 1 day 9 years 7 months 17 days  
Stock Option 8      
Exercise price $ 13.89 $ 13.89  
Number of stock options, outstanding 66,667 280,000  
Weighted average remaining life, outstanding 4 days 9 years 8 months 8 days