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STOCK PLANS AND STOCK BASED COMPENSATION - KEY- EMPLOYEE DEFERRED COMPENSATION EXPENSE (Details) - Key Employees - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Deferred Compensation      
Key-employee - base salary $ 484 $ 408 $ 429
Key-employee - employer match 250 317 178
Total $ 734 $ 725 $ 607