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STOCK-BASED COMPENSATION PLANS - Additional information (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2017
STOCK-BASED COMPENSATION PLANS |  |  |  |  |
Unrecognized compensation expense related to stock options | $ 4.5 |  | $ 4.5 |  |
Weighted-average period of unrecognized compensation expense related to stock options |  |  | 2 years 3 months 18 days |  |
Restricted Stock |  |  |  |  |
STOCK-BASED COMPENSATION PLANS |  |  |  |  |
Restricted stock were granted |  |  | 134,000 |  |
Maximum | Management | Restricted Stock |  |  |  |  |
STOCK-BASED COMPENSATION PLANS |  |  |  |  |
Shares Vesting period |  |  | 4 years |  |
Minimum | Management | Restricted Stock |  |  |  |  |
STOCK-BASED COMPENSATION PLANS |  |  |  |  |
Shares Vesting period |  |  | 2 years |  |
2017 Stock Option Plan |  |  |  |  |
STOCK-BASED COMPENSATION PLANS |  |  |  |  |
Number of Shares Authorized in Stock Incentive Plan |  |  |  |  | 5,500,000
Shares Vesting period |  |  | 4 years |  |
Number of Warrants, Granted | 200,000 |  | 200,000 |  |
2017 Stock Option Plan | Employee Stock Option |  |  |  |  |
STOCK-BASED COMPENSATION PLANS |  |  |  |  |
Number of Warrants, Granted | 0 |  | 0 |  |
2017 Stock Option Plan | Management | Restricted Stock |  |  |  |  |
STOCK-BASED COMPENSATION PLANS |  |  |  |  |
Restricted stock were granted | 72,000 | 45,000 | 134,000 | 93,000 |
Proceeds from the exercise of stock options | $ 0.1 | $ 0.1 | $ 0.1 | $ 0.1 |
2017 Stock Option Plan | Board of Directors | Restricted Stock |  |  |  |  |
STOCK-BASED COMPENSATION PLANS |  |  |  |  |
Shares Vesting period |  |  | 3 years |  |

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