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DESCRIPTION OF BUSINESS (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Feb. 10, 2025 | Sep. 30, 2025 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024 | Jul. 03, 2025
DESCRIPTION OF BUSINESS |  |  |  |  |  |
Cash and cash equivalents |  | $ 27,971 | $ 27,971 | $ 20,867 | $ 18,459 |
Accumulated deficit |  | $ 451,629 | 451,629 |  | 419,789 |
Negative cash flows from operating activities |  |  | 21,282 | $ 22,401 | $ 31,000 |
Secondary public offering |  |  |  |  |  |
DESCRIPTION OF BUSINESS |  |  |  |  |  |
Common stock shares issued and sold | 9,200,000 |  |  |  |  |
Public offering price | $ 2.25 |  |  |  |  |
Gross proceeds | $ 18,900 |  | $ 20,700 |  |  |
Proceeds from issuance of common stock, net | $ 18,900 |  |  |  |  |
ATM Program |  |  |  |  |  |
DESCRIPTION OF BUSINESS |  |  |  |  |  |
Common stock shares issued and sold |  | 2,261,835 | 2,261,835 |  |  |
Public offering price |  | $ 3.68 | $ 3.68 |  |  |
Gross proceeds |  | $ 8,300 | $ 8,313 |  |  |
Aggregated offering price to be offered and sold |  | 41,700 | 41,700 |  |  | $ 50,000
Sales commission on stock issuance |  |  | 300 |  |  |
Additional offering-related expenses |  |  | 200 |  |  |
Proceeds from issuance of common stock, net |  |  | 7,800 |  |  |
$70.0 Million Credit Facility | Oxford Finance LLC |  |  |  |  |  |
DESCRIPTION OF BUSINESS |  |  |  |  |  |
Borrowings outstanding under credit facility |  | $ 70,000 | $ 70,000 |  |  |
Credit facility maturity date |  |  | Jul. 31, 2029 |  |  |

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