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STOCK AWARD PLAN AND STOCK-BASED COMPENSATION - Schedule of RSU Activity (Details) - RSUs
Mar. 31, 2019
$ / shares
shares
Stock Options  
Unvested at the beginning of the period (in shares) | shares 127,300
Unvested at the end of the period (in shares) | shares 127,300
Weighted-Average Grant Date Fair Value  
Unvested at the beginning of the period (in dollars per share) | $ / shares $ 11.71
Unvested at the end of the period (in dollars per share) | $ / shares $ 11.71