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SUBSEQUENT EVENTS (Details) - USD ($)
$ in Millions
May 15, 2018
May 09, 2018
Apr. 30, 2016
Subsequent Events | Forecast      
SUBSEQUENT EVENTS      
Net gain on settlement $ 1.7    
2016 Omnibus Incentive Plan      
SUBSEQUENT EVENTS      
Shares of common stock authorized for issuance under the share-based compensation plan     2,250,000
2016 Omnibus Incentive Plan | Subsequent Events      
SUBSEQUENT EVENTS      
Shares of common stock authorized for issuance under the share-based compensation plan   375,000