General form of registration statement for all companies including face-amount certificate companies

PROPERTY, PLANT AND EQUIPMENT, NET (Details)

v3.21.2
PROPERTY, PLANT AND EQUIPMENT, NET (Details) - USD ($)
Dec. 31, 2020
Dec. 31, 2019
Property, Plant and Equipment [Line Items]    
 Property, Plant and Equipment, Gross $ 33,333,000 $ 32,300,000
Accumulated depreciation (28,500,000) (26,783,000)
 Property, Plant and Equipment, Net 4,833,000 5,517,000
Property, Plant and Equipment [Member]    
Property, Plant and Equipment [Line Items]    
 Property, Plant and Equipment, Gross 30,159,000 28,474,000
Furniture and Fixtures [Member]    
Property, Plant and Equipment [Line Items]    
 Property, Plant and Equipment, Gross 705,000 702,000
Leasehold Improvements [Member]    
Property, Plant and Equipment [Line Items]    
 Property, Plant and Equipment, Gross $ 2,469,000 $ 3,124,000