PROPERTY AND EQUIPMENT (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 5,384	$ 5,376
Less accumulated depreciation	3,713	3,595
Property and equipment, net	1,671	1,781
Depreciation expense	119	121
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	1,518	1,512
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 488	$ 486