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Goodwill and Intangible Assets (Details) - USD ($)
1 Months Ended 12 Months Ended 120 Months Ended
Jan. 31, 2017
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2026
Finite-Lived Intangible Assets [Line Items]        
Assets acquired   $ 62,000    
Amortization expense   $ 1,027,000    
Weighted average remaining useful life   1 year 6 months    
Goodwill expected tax deductible amount   $ 0    
General and administrative        
Finite-Lived Intangible Assets [Line Items]        
Amortization expense   $ 1,027,000 $ 1,004,000  
Subscriber relationships        
Finite-Lived Intangible Assets [Line Items]        
Weighted average remaining useful life   1 year 6 months    
Acquisition Prior to 2013        
Finite-Lived Intangible Assets [Line Items]        
Useful life   7 years    
Headland Media Limited | Subscriber relationships        
Finite-Lived Intangible Assets [Line Items]        
Useful life   10 years    
Headland Media Limited | Distribution rights        
Finite-Lived Intangible Assets [Line Items]        
Useful life   1 year 15 years  
Q1 2017 Acquisition | Subscriber relationships        
Finite-Lived Intangible Assets [Line Items]        
Useful life 10 years      
Assets acquired $ 100,000 $ 408,000    
Assets consideration   $ 62,000 $ 75,000  
Forecast | Q1 2017 Acquisition | Maximum        
Finite-Lived Intangible Assets [Line Items]        
Assets consideration       $ 114,000