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STOCK-BASED COMPENSATION - Additional information (Details) |  |  |  | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | ---
Mar. 31, 2025 USD ($) $ / shares shares | Jan. 24, 2025 USD ($) director shares | Aug. 03, 2023 USD ($) shares | Sep. 30, 2025 USD ($) shares | Sep. 30, 2025 USD ($) shares | Sep. 30, 2024 | Mar. 31, 2025 $ / shares
STOCK-BASED COMPENSATION |  |  |  |  |  |  |
Expected life - years |  |  |  |  | 5 years |  |
Remaining unrecognized compensation cost related to stock options |  |  |  | $ 0 | $ 0 |  |
Maximum contractual term (in years) |  |  |  |  |  | 1 year 8 months 12 days | 2 years 29 days
Restricted Stock Awards issued on August 3, 2023 |  |  |  |  |  |  |
STOCK-BASED COMPENSATION |  |  |  |  |  |  |
Number of shares issued | shares |  |  | 15,000 |  |  |  |
Number of shares will vest on each of the first, second, and third anniversaries | shares |  |  | 5,000 |  |  |  |
Fair value of shares expected to vest |  |  | $ 111,000 |  |  |  |
Stock based compensation cost |  |  |  | 9,000 | 19,000 |  |
Unrecognized compensation cost |  |  |  | 18,000 | $ 18,000 |  |
Unrecognized compensation period |  |  |  |  | 9 months |  |
Restricted Common Stock issued on March 31, 2025 |  |  |  |  |  |  |
STOCK-BASED COMPENSATION |  |  |  |  |  |  |
Number of shares issued | shares | 78,261 |  |  |  |  |  |
Stock closing price | $ / shares | $ 2.3 |  |  |  |  |  | $ 2.3
Fair value of shares expected to vest | $ 180,000 |  |  |  |  |  |
Vesting period | 3 years |  |  |  |  |  |
Stock based compensation cost |  |  |  | 15,000 | $ 30 |  |
Unrecognized compensation cost |  |  |  | $ 150,000 | $ 150,000 |  |
Unrecognized compensation period |  |  |  |  | 30 months |  |
2016 Plan |  |  |  |  |  |  |
STOCK-BASED COMPENSATION |  |  |  |  |  |  |
Shares available for grant | shares |  |  |  | 126,066 | 126,066 |  |
2016 Plan | Restricted Common Stock awarded on January 24, 2025 |  |  |  |  |  |  |
STOCK-BASED COMPENSATION |  |  |  |  |  |  |
Number of shares issued | shares |  | 54,880 |  |  |  |  |
Number of non-employee directors | director |  | 4 |  |  |  |  |
Fair value of shares expected to vest |  | $ 180,000 |  |  |  |  |
Stock based compensation cost |  |  |  | $ 45,000 | $ 90,000 |  |
Unrecognized compensation cost |  |  |  | $ 45,000 | $ 45,000 |  |
Unrecognized compensation period |  |  |  |  | 3 months |  |
Maximum |  |  |  |  |  |  |
STOCK-BASED COMPENSATION |  |  |  |  |  |  |
Maximum contractual term (in years) |  |  |  |  | 10 years |  |
Maximum | 2016 Plan |  |  |  |  |  |  |
STOCK-BASED COMPENSATION |  |  |  |  |  |  |
Number of shares of common stock | shares |  |  |  | 1,250,000 | 1,250,000 |  |

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