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STOCK-BASED COMPENSATION (Details Textual) - USD ($)
12 Months Ended
Sep. 09, 2015
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Allocated Share-based Compensation Expense   $ 665,000 $ 1,600,000 $ 5,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period   176,000 48,600 1,289,669
Deferred Compensation Arrangement with Individual Shares Outstanding   19,979    
Other Employees [Member]        
Restricted Stock or Unit Expense   $ 761,000    
Employees and executive officers [Member]        
Stock Issued During Period, Shares, New Issues   347,627    
Stock Repurchased During Period, Shares   162,362    
Restricted Stock Units (RSUs) [Member]        
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options   $ 837,000    
Adjustments to Additional Paid in Capital Reclassification Of Share Based Compensation To Liability   1,200,000 $ 1,100,000 $ 2,800,000
Restricted Stock Units (RSUs) [Member] | Other Employees [Member]        
Adjustments to Additional Paid in Capital, Share-based Compensation, Restricted Stock Unit or Restricted Stock Award, Requisite Service Period Recognition   $ 303,000    
2015 Stock Incentive Plan[Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent 100.00%      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 800,000