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STOCK-BASED AND OTHER COMPENSATION - Narrative (Details) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Jan. 31, 2023 | Jan. 31, 2020 | Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023 | Dec. 31, 2022 | Mar. 27, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Options outstanding (shares) |  |  | 54,000 |  | 54,000 |  | 54,000 | 58,000 |
Compensation expense related to awards |  |  | $ 37 |  | $ 63 |  |  |  |
2018 Equity Incentive Plan |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Stock reserved and available for issuance (shares) |  |  |  |  |  |  |  |  | 350,000
Options outstanding (shares) |  |  | 0 |  | 0 |  |  |  |
Vesting period of shares (in years) |  |  |  |  | 3 years |  |  |  |
2018 Equity Incentive Plan | Restricted Stock |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Options outstanding (shares) |  |  | 315,947 |  | 315,947 |  |  |  |
2018 Equity Incentive Plan | Performance-based Restricted Stock |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Share-based payment award (shares) |  |  | 8,805 |  | 8,805 |  |  |  |
Vesting period of shares (in years) |  | 3 years |  |  | 3 years |  |  |  |
Number of shares issued (shares) | 18,551 |  |  |  |  |  |  |  |
2008 Equity Incentive Plan |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Term of equity incentive plan |  |  |  |  | 10 years |  |  |  |
Options granted (shares) |  |  |  |  | 54,000 |  |  |  |
Expiry period of unexercised incentive stock options |  |  |  |  | 10 years |  |  |  |
2008 Equity Incentive Plan | Restricted Stock |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Non-option instruments granted (shares) |  |  |  |  | 0 |  |  |  |
2008 Equity Incentive Plan | Stock Options |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Vesting period of shares (in years) |  |  |  |  | 5 years |  |  |  |
2008 Equity Incentive Plan and 2018 Equity Incentive Plan | Restricted Stock |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |
Compensation expense related to awards |  |  | $ 158 | $ 216 | $ 316 | $ 382 |  |  |

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