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INCOME TAXES - Additional information (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Tax Credit Carryforward, Amount   $ 287,000  
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 21.00% 21.00% 34.00%
Tax Credit Carry forward Percentage 100.00%    
Alternative Minimum Tax Credits [Member]      
Tax Credit Carry forward Percentage 50.00%