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11. STOCK-BASED COMPENSATION - Schedule of Restricted Stock Summary (Details) - USD ($) | 9 Months Ended |
--- | --- | ---
Jun. 30, 2022 | Sep. 30, 2021
Class of Stock [Line Items] |  |
Number of Option Shares, Beginning Balance | 1,547,029 |
Weighted Average Grant-Date Fair Value Per Share Outstanding at Beginning | $ 13.03 | $ 30.72
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value | 0 |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value | $ 39.38 |
Number of Option Shares, Ending Balance | 1,400,841 |
Weighted Average Exercise, Ending Balance | $ 13.03 |
Restricted [Member] |  |
Class of Stock [Line Items] |  |
Number of Option Shares, Beginning Balance | 10,995 |
Weighted Average Grant-Date Fair Value Per Share Outstanding at Beginning | $ 13.75 | $ 11.59
Aggregate Intrinsic Value Outstanding at Beginning | $ 3,698,097 | $ 84,839
Number of Shares, Granted | 1,106,250 |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value | $ 14.68 |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Intrinsic Value, Amount Per Share | $ 4,336,500 |
Number of Shares, Vested | 133,094 |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Intrinsic Value, Amount Per Share | $ 20.31 |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Vested | $ 2,703,336 |
Number of Shares, Forfeited | (40,759) |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value | $ 20.48 |
Share based compensation arrangement by share based payment award | $ 145,369 |
Number of Option Shares, Ending Balance | 943,392 |
Weighted Average Exercise, Ending Balance | $ 13.75 |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding | $ 3,698,097 | $ 84,839

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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(03) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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