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COMMON STOCK - Common Stock Reserved for Future Issuance (Details) - shares | Dec. 31, 2025 | Jul. 03, 2025 | Dec. 31, 2024
--- | --- | --- | ---
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |
Reserved shares of common stock | 5,982,877 |  | 41,859,552
Convertible preferred stock (all series) |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |
Reserved shares of common stock | 0 |  | 38,665,583
2005 Plan | Exercises of stock options |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |
Reserved shares of common stock | 1,627,097 |  | 2,298,947
2005 Plan | Warrants on common stock |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |
Reserved shares of common stock | 168,898 |  | 15,015
2005 Plan | Future grants |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |
Reserved shares of common stock | 0 |  | 880,007
2025 Plan | Exercises of stock options |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |
Reserved shares of common stock | 348,551 |  | 0
2025 Plan | Future grants |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |
Reserved shares of common stock | 3,838,331 | 4,204,204 | 0

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