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BASIS OF PRESENTATION AND SUMMARY OF ACCOUNTING POLICIES - Opening and closing balances of the Company's contract balances (Details) - USD ($) | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2025 | Jun. 30, 2024 | Sep. 30, 2024 | Sep. 30, 2023 | Oct. 01, 2024 | Oct. 01, 2023 | Oct. 01, 2022
BASIS OF PRESENTATION AND SUMMARY OF ACCOUNTING POLICIES |  |  |  |  |  |  |  |
Changes in Contract assets |  | $ (129,205) | $ 115,286 |  |  |  |  |
Change in contract liabilities |  | (46,500) | $ (17,650) | $ 17,650 | $ 293,122 |  |  |
Revenue recognized in contract liabilities | $ 0 | 21,885 |  | 40,035 | 345,480 |  |  |
Accounts Receivable |  |  |  |  |  |  |  |
BASIS OF PRESENTATION AND SUMMARY OF ACCOUNTING POLICIES |  |  |  |  |  |  |  |
Contract assets | 199,047 | 199,047 |  | 328,252 |  | $ 328,252 | $ 212,966 |
Contract liabilities |  |  |  |  |  |  |  |
BASIS OF PRESENTATION AND SUMMARY OF ACCOUNTING POLICIES |  |  |  |  |  |  |  |
Contract liabilities | $ 206,285 | $ 206,285 |  | $ 252,785 | $ 270,435 | $ 252,785 | $ 270,435 | $ 563,557

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