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FAIR VALUE DISCLOSURES - Mandatorily Redeemable Non-Controlling Interest (Details) - USD ($) | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Sep. 30, 2024 | Oct. 01, 2023
Changes in the fair value of the contingent consideration: |  |  |  |  |  |
Discount rate | 13.20% |  | 13.20% |  |  |
Change in fair value | $ 195,750 | $ 393,324 | $ 663,418 | $ 727,457 |  |
Team Sledd |  |  |  |  |  |
Changes in the fair value of the contingent consideration: |  |  |  |  |  |
Interest own (as a percent) | 92.00% |  | 92.00% |  | 76.00% | 92.00%
Mandatorily Redeemable Non-Controlling Interest |  |  |  |  |  |
Changes in the fair value of the contingent consideration: |  |  |  |  |  |
Difference between the contractual amount due and the fair value | $ 400,000 |  | $ 400,000 |  | $ 700,000 |
Fair value, beginning of period | 8,679,168 | 9,824,964 | 8,211,500 | 9,490,831 |  |
Redemption of non-controlling interests | (1,812,558) | (1,812,558) | (1,812,558) | (1,812,558) |  |
Distributions of non-controlling interest | (148,852) | (256,599) | (148,852) | (256,599) |  |
Change in fair value | 195,750 | 393,324 | 663,418 | 727,457 |  |
Fair value, end of period | $ 6,913,508 | $ 8,149,131 | $ 6,913,508 | $ 8,149,131 |  |

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