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Stockholders' Equity - Stock option grants (Details) - $ / shares
12 Months Ended
Feb. 28, 2017
Feb. 29, 2016
Information, at date of issuance, regarding stock option grants    
Weighted Average Exercise Price $ .91 $ 1.16
Exercise Price Exceeds Market Price    
Information, at date of issuance, regarding stock option grants    
Shares  
Weighted Average Exercise Price  
Weighted Average Fair Value  
Exercise Price Equals Market Price    
Information, at date of issuance, regarding stock option grants    
Shares 400,000  
Weighted Average Exercise Price $ 0.91  
Weighted Average Fair Value $ 0.16  
Exercise Price is Less than Market Price    
Information, at date of issuance, regarding stock option grants    
Shares  
Weighted Average Exercise Price  
Weighted Average Fair Value