Quarterly report pursuant to Section 13 or 15(d)

5. SHAREHOLDERS' EQUITY (Details)

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5. SHAREHOLDERS' EQUITY (Details)
 6 Months Ended
Feb. 28, 2018
USD ($)
$ / shares
shares
Number of options  
Outstanding, beginning | shares 465,500
Granted | shares 82,500
Exercised | shares (10,000)
Forfeited or expired | shares (2,500)
Outstanding, ending | shares 535,500
Exercisable | shares 379,668
Weighted average exercise price  
Outstanding, beginning | $ / shares $ 4.88
Granted | $ / shares 8.05
Exercised | $ / shares 7.50
Forfeited or expired | $ / shares 7.50
Outstanding, ending | $ / shares 5.31
Exercisable | $ / shares $ 4.66
Weighted average remaining contractual term  
Outstanding, beginning 6 years 3 months 18 days
Outstanding, ending 6 years 6 months 14 days
Exercisable 5 years 5 months 16 days
Approximate aggregate intrinsic value  
Outstanding, beginning | $ $ 1,007,740
Outstanding, ending | $ 1,439,840
Exercisable | $ $ 1,248,740