PROPERTY AND EQUIPMENT (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 5,484	$ 5,472
Less accumulated depreciation	3,968	3,900
Property and equipment, net	1,516	1,572
Depreciation expense	71	109
Building and improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	3,504	3,491
Electronic data processing equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	1,502	1,498
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 478	$ 483