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COMMITMENTS AND CONTINGENCIES (Details) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Sep. 30, 2015
Future minimum annual payments        
2018 $ 363,000      
2019 30,000      
Thereafter 0      
Total minimum lease payments 393,000      
Operating Leases, Rent Expense, Net [Abstract]        
Lease expense 800,000 $ 700,000 $ 800,000  
Building        
Operating Leased Assets [Line Items]        
Monthly lease rent 24,100      
Annual rent increase (percent)       3.00%
Addition monthly base rent $ 4,000