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STOCK-BASED COMPENSATION (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Stock options        
Granted (in shares)     1,300  
Expected term     10 years  
Vesting period     48 months  
Stock-based compensation (in dollars) $ 38 $ 17 $ 100 $ 73
Stock Options        
Stock options        
Granted (in shares)     1,300  
Stock-based compensation (in dollars) $ 38 $ 29 $ 100 $ 77
Restricted Securities        
Stock options        
Vesting period     3 years  
2010 Plan        
Stock options        
Expected term     10 years  
2015 Plan        
Stock options        
Shares available for future grants 793,043   793,043  
Expected term     10 years