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EQUITY-BASED INCENTIVE AWARDS (Tables) | 12 Months Ended
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Sep. 30, 2022
EQUITY-BASED INCENTIVE AWARDS |
Summary of stock options activity | ​
​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ |  | Weighted
​ | ​ | Number | ​ | Average
​ | ​ | of | ​ | Exercise
​ | ​ | Shares | ​ | Price
Outstanding at September 2021 |  | 22,250 | ​ | $ | 86.76
Granted |  | — | ​ | ​ | —
Exercised |  | (22,250) | ​ |  | 86.76
Forfeited/Expired |  | — | ​ |  | —
Outstanding at September 2022 |  | — | ​ | $ | —
Schedule of restricted stock unit awards | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Restricted Stock Units(1) |  | Restricted Stock Units(2)
Date of award: |  | ​ | October 2019 | ​ | ​ | October 2020
Original number of awards issued: |  | ​ | 14,550 | ​ | ​ | 20,500
Service period: |  | ​ | 36 months | ​ | ​ | 36 months
Estimated fair value of award at grant date: | ​ | $ | 1,007,000 | ​ | $ | 1,415,000
Non-vested awards outstanding at September 30, 2022: | ​ | ​ | 4,851 | ​ | ​ | 13,668
Fair value of non-vested awards at September 30, 2022 of approximately: | ​ | $ | 1,019,000 | ​ | $ | 2,870,000
(1) | 9,699 of the restricted stock units were vested as of September 2022. The remaining 4,851 restricted stock units will vest in October 2022.
(2) | 6,832 of the restricted stock units were vested as of September 2022. 6,834 restricted stock units will vest in October 2022 and 6,834 will vest in October 2023.
Summary of restricted stock unit awards activity | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Number | ​ | Weighted
​ | ​ | of | ​ | Average
​ |  | Shares |  | Fair Value
Nonvested restricted stock units at September 2021 |  | 35,220 | ​ | $ | 148.98
Granted |  | — | ​ | ​ | —
Vested |  | (16,701) | ​ | ​ | 139.32
Expired |  | — | ​ | ​ | —
Nonvested restricted stock units at September 2022 |  | 18,519 | ​ | $ | 210.00
Schedule of restricted stock awards | ​
​ | ​ | ​ | ​
​ |  | Restricted Stock Awards(1)
Date of award: |  | ​ | October 2021
Original number of awards issued: |  | ​ | 15,100
Service period: |  | ​ | 36 months
Estimated fair value of award at grant date: | ​ | $ | 2,088,934
Non-vested awards outstanding at September 30, 2022: | ​ | ​ | 15,100
Fair value of non-vested awards at September 30, 2022 of approximately: | ​ | $ | 3,171,000
(1) | The 15,100 restricted stock awards will vest in equal amounts in October 2022, October 2023 and October 2024.
Summary of restricted stock awards activity | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Number | ​ | Weighted
​ | ​ | of | ​ | Average
​ |  | Shares |  | Fair Value
Nonvested restricted stock awards at September 2021 |  | — | ​ | $ | —
Granted |  | 15,100 | ​ | ​ | 138.34
Vested |  | — | ​ | ​ | —
Expired |  | — | ​ | ​ | —
Nonvested restricted stock awards at September 2022 |  | 15,100 | ​ | $ | 210.00

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