Summary of Weighted-Average Grant-Date Fair Value of Options, Total Intrinsic Value of Options Exercised, and Cash Receipts from Options Exercised (Detail) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Aug. 31, 2023 |
Aug. 31, 2022 |
Aug. 31, 2021 |
|
| Share-Based Payment Arrangement [Abstract] | |||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value | $ 169,000 | $ 0 | $ 587,000 |
| Stock option exercises & other | $ 973,000 | $ 0 | $ 2,208,000 |
| Expected forfeiture rate | 12.00% | 12.00% | |
| Stock option, aggregate intrinsic Value | $ 950,887 | ||
| X | ||||||||||
- Definition Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Forfeiture Rate No definition available.
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of cash inflow from exercise of option under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|