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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Share-Based Compensation (Details) - 2018 Incentive Compensation Plan - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
SHARE-BASED COMPENSATION |  |
Number of shares may be issued to employees, directors, consultants and nonemployee service providers in the form of stock options, stock and stock appreciation rights | 10,000,000 |
Contractual life | 10 years |
Number of shares available for grant | 8,700,000 |
Employee Stock Option |  |
SHARE-BASED COMPENSATION |  |
Options outstanding | 1,013,000 |
Exercisable | 189,000 |
Non-vested shares | 824,000 |
Unrecognized compensation expense | $ 4,220 |
Unrecognized compensation expense, recognition period | 7 years 2 months 12 days |
Share based compensation expense | $ 630 | $ 535

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