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7. SHAREHOLDERS EQUITY (Details - Option activity) - Stock Options [Member]
6 Months Ended
Feb. 29, 2020
$ / shares
shares
Number of Options  
Option outstanding, beginning balance | shares 1,163,259
Granted | shares 168,500
Exercised | shares (52,360)
Canceled/Forfeited | shares (27,835)
Expired | shares 0
Awards Outstanding, ending balance | shares 1,251,564
Vested and Exercisable, end of period | shares 651,889
Weighted-Average Exercise Price Per Share  
Outstanding | $ / shares $ 12.63
Granted | $ / shares 33.51
Exercised | $ / shares 7.75
Canceled/Forfeited | $ / shares 13.04
Expired | $ / shares
Outstanding | $ / shares 15.64
Vested and Exercisable, end of period | $ / shares $ 10.00
Weighted-Average Remaining Contractual Life  
Weighted average remaining contractual life 7 years 1 month 9 days
Vested and Exercisable 6 years 7 days