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STOCKHOLDERS’ EQUITY - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Class of Stock [Line Items] |  |  |  |
Shares available for future grants (in shares) | 637,414 |  | 637,414 |
Unvested Employee Stock Options and RSUs |  |  |  |
Class of Stock [Line Items] |  |  |  |
Unrecognized compensation cost | $ 1,218 |  | $ 1,218 |
Weighted average period of recognition |  |  | 2 years 2 months 19 days |
2015 Omnibus Incentive Plan |  |  |  |
Class of Stock [Line Items] |  |  |  |
Increased (decrease) in stock-based compensation | $ 0 | $ 15 | $ (4) | $ (25)
2015 Omnibus Incentive Plan | Maximum |  |  |  |
Class of Stock [Line Items] |  |  |  |
Shares authorized (up to) (in shares) | 5,236,000 |  | 5,236,000 |
2015 Omnibus Incentive Plan | Stock options |  |  |  |
Class of Stock [Line Items] |  |  |  |
Expiration period |  |  | 10 years |
2015 Omnibus Incentive Plan | Stock options | Maximum |  |  |  |
Class of Stock [Line Items] |  |  |  |
Vesting period |  |  | 4 years |
2015 Omnibus Incentive Plan | Stock options | Minimum |  |  |  |
Class of Stock [Line Items] |  |  |  |
Percentage of fair value per share granted (not less than) | 110.00% |  | 110.00% |
Percentage of grants owning more than voting stock | 10.00% |  | 10.00% |
Vesting period |  |  | 1 year |

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