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SUBSEQUENT EVENT (Details) - Subsequent event - USD ($)
Aug. 03, 2023
Jul. 17, 2023
Jul. 13, 2023
Restricted Shares      
SUBSEQUENT EVENTS      
Number of shares granted 15,000    
Number of shares will vest on each of the first, second, and third anniversaries 5,000    
2016 Long-Term Incentive Plan      
SUBSEQUENT EVENTS      
Stock options exercised     109,024
2016 Long-Term Incentive Plan | Restricted Shares      
SUBSEQUENT EVENTS      
Number of shares granted   15,000  
Chief Financial Officer      
SUBSEQUENT EVENTS      
Annual base salary   $ 200,000  
Chief Financial Officer | 2016 Long-Term Incentive Plan      
SUBSEQUENT EVENTS      
Stock options exercised     125,000