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7. SHAREHOLDERS' EQUITY (Details - Assumptions) - Options, ISOs and NQSOs [Member] - USD ($)
3 Months Ended
Nov. 30, 2019
Nov. 30, 2018
Estimated fair value of awards granted $ 401,580 $ 1,928,820
Unvested Forfeiture Rate 0.00% 6.20%
Weighted average grant price $ 35.57 $ 22.78
Weighted average market price $ 35.57 $ 22.69
Weighted average volatility 32.15% 31.61%
Weighted average risk free rate 1.56% 2.59%
Weighted average dividend yield 0.68% 1.10%
Weighted average expected life 6 years 8 months 5 days 6 years 7 months 21 days