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INCOME TAXES (Details Textual) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Dec. 31, 2017
Effective Income Tax Rate Reconciliation, Percent 20.70% 32.10% 20.80% 31.90%  
Deferred Tax Assets, Valuation Allowance $ 0.3   $ 0.3   $ 0.3
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 21.00%   21.00%   35.00%