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BASIS OF PRESENTATION AND CERTAIN SIGNIFICANT ACCOUNTING POLICIES, Other Intangible Assets (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Intangible Assets [Abstract]      
Intangible assets, gross $ 554   $ 554
Accumulated amortization 548   548
Intangible assets, net 6   6
Maximum [Member]      
Intangible Assets [Abstract]      
Amortization expenses 10 $ 10  
Amortization expense, 2020 10    
Amortization expense, 2021 10    
Amortization expense, 2022 10    
Amortization expense, 2023 10    
Amortization expense, 2024 10    
Trademarks/Copyrights [Member]      
Intangible Assets [Abstract]      
Intangible assets, gross 554   554
Accumulated amortization 548   548
Intangible assets, net $ 6   $ 6
Weighted average amortization period 15 years