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PROPERTY AND EQUIPMENT (Details) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2019
Dec. 31, 2018
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 5,363 $ 5,359
Less accumulated depreciation 3,773 3,710
Property and equipment, net 1,590 1,649
Depreciation expense 62 161
Building and improvements    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 3,378 3,378
Electronic data processing equipment    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 1,508 1,504
Furniture and fixtures    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 477 $ 477