PROPERTY AND EQUIPMENT (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 5,506	$ 5,490
Less accumulated depreciation	3,981	3,954
Property and equipment, net	1,525	1,536
Depreciation expense	27	96
Building and improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	3,504	3,504
Electronic data processing equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	1,527	1,511
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 475	$ 475