PROPERTY AND EQUIPMENT (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 5,476	$ 5,472
Less accumulated depreciation	3,925	3,900
Property and equipment, net	1,551	1,572
Depreciation expense	24	109
Building and improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	3,491	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	$ 483	$ 483

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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