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NON-EMPLOYEE DIRECTORS SHARE-BASED COMPENSATION (Details) - Eligible board members
Feb. 07, 2019
director
shares
Jan. 16, 2018
director
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of shares issued to eligible board members | shares 21,000 16,000
Number of eligible board members | director 7 8