Quarterly report pursuant to Section 13 or 15(d)

Note 11 - Stockholders' Equity (Tables)

v3.8.0.1
Note 11 - Stockholders' Equity (Tables)
 6 Months Ended
Nov. 30, 2017
Disclosure Text Block Supplement [Abstract]  
Schedule of Warrants or Rights, Shares Authorized, by Exercise Price Range [Table Text Block]
The following table summarizes the significant terms of warrants outstanding at November 30, 2017. These warrants were granted as part of a financing agreement:

           
Weighted
    
Weighted
          
Weighted
  
           
average
    
average
          
average
  
Range of
    
Number of
    
remaining
    
exercise
          
exercise
  
exercise
    
warrants
    
contractual
    
price of
    
Number of
    
price of
  
Prices
    
Outstanding
    
life (years)
    
outstanding Warrants
    
warrants Exercisable
    
exercisable Warrants
  
$
0.75
      
350,000
      
2.96
    
$
0.75
      
350,000
    
$
0.75
  
                                             
         
350,000
      
2.96
    
$
0.75
      
350,000
    
$
0.75
  
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
Transactions involving warrants are summarized as follows:

 
  
Number of
Shares
    
Weighted
Average
Exercise
Price
  
Warrants outstanding at May 31, 2017
    
-
    
$
-
  
Granted
    
350,000
    
$
0.75
  
Exercised
    
-
    
$
-
  
Cancelled / Expired
    
-
    
$
-
  
Warrants outstanding at November 30, 2017
    
350,000
    
$
0.75