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Stock-Based Compensation (Stock Option Activity) (Details) - Stock Options [Member]
6 Months Ended
Feb. 28, 2021
$ / shares
shares
Number of Stock Options, Outstanding at August 31, 2020 | shares 218,750
Number of Stock Options, Granted | shares
Number of Stock Options, Exercised | shares (218,750)
Number of Stock Options, Forfeited | shares
Number of Stock Options, Outstanding at February 28, 2021 | shares
Number of Stock Options, Options vested and exercisable at February 28, 2021 | shares
Weighted Average Exercise Price Per Share, Outstanding at August 31, 2020 | $ / shares $ 11.57
Weighted Average Exercise Price Per Share, Granted | $ / shares
Weighted Average Exercise Price Per Share, Exercised | $ / shares (11.57)
Weighted Average Exercise Price Per Share, Forfeited | $ / shares
Weighted Average Exercise Price Per Share, Outstanding at February 28, 2021 | $ / shares
Weighted Average Exercise Price Per Share, Options vested and exercisable at February 28, 2021 | $ / shares