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STOCK-BASED COMPENSATION - Narrative (Details) $ in Millions | 3 Months Ended | 12 Months Ended | 66 Months Ended
--- | --- | --- | ---
Mar. 31, 2026 USD ($) plan shares | Mar. 31, 2025 USD ($) shares | Dec. 31, 2025 USD ($) plan shares | Dec. 31, 2024 USD ($) | Mar. 31, 2026 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Number of plans | plan | 2 |  | 2 |  |
Stock options exercised (in shares) | 0 | 0 |  |  |
Stock-based compensation expense | $ | $ 0.5 | $ 1.1 | $ 3.7 | $ 5.8 |
2014 Plan |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Stock options granted (in shares) | 0 |  | 0 |  |
Stock options exercised (in shares) | 0 |  | 1,500 |  |
2021 Plan |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Stock options granted (in shares) |  |  | 0 |  |
Stock options exercised (in shares) |  |  | 0 |  |
Stock Options | 2014 Plan |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Stock options granted (in shares) |  |  | 0 |  | 0
Stock Options | 2021 Plan |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Common stock authorized for issuance (in shares) | 433,922 |  |  |  | 433,922
Restricted Stock Units |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
RSU compensation cost not yet recognized | $ | $ 0.7 |  |  |  | $ 0.7
Compensation cost not yet recognized, period of recognition | 9 months 18 days |  |  |  |
Fair value of vested RSUs | $ | $ 0.2 |  |  |  |

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