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STOCK AWARD PLAN AND STOCK-BASED COMPENSATION - Schedule of RSU Activity (Details) - Restricted Stock Units - $ / shares
Mar. 31, 2020
Dec. 31, 2019
Stock Options    
Unvested at the beginning of the period (in shares) 68,650  
Unvested at the end of the period (in shares) 68,650 68,650
Weighted-Average Grant Date Fair Value    
Unvested at the beginning of the period (in dollars per share) $ 11.29 $ 11.29
Unvested at the end of the period (in dollars per share)   $ 11.29