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Stockholders' Equity (Details Narrative) - USD ($)
 3 Months Ended
May 31, 2017
May 31, 2016
Feb. 28, 2017
Proceeds from sales of common shares $ 5,897,188 $ 1,988,003  
Issuance of common shares for cash, Price per share 1,123,266    
Issuance of common shares for cash, Per Shares $ 5.25    
Issuance of warrants to purchase 1,860,455 1,653,668 1,647,670
Warrants      
Issuance of warrants to purchase 314,667    
Exercise Price of Warrants $ 0.80    
Fair value of stock granted $ 874,125    
Shares issued for cash-less exercise warrant 20,000    
Issuance of shares upon cash-less exercise of warrants, Shares 22,548    
Amortized costs included in operating expenses $ 220,504 $ 41,359  
Unamortized balance of costs 3,377,143    
Aggregate intrinsic value outstanding $ 9,325,489    
Closing market price per share $ 8.05    
Warrants | Chief Financial Officer [Member]      
Issuance of warrants to purchase 400,000    
Exercise Price of Warrants $ 5.25    
Vesting period 10 years    
Description of vesting period Vests quarterly in equal amounts over 24 months beginning on April 3, 2017.    
Common stock reserved for future issuance 150,000    
Fair value of stock granted $ 2,331,000