Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets, Net and Goodwill - Narrative (Details)

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Intangible Assets, Net and Goodwill - Narrative (Details) - USD ($)
 3 Months Ended 6 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Jun. 30, 2022
Dec. 31, 2022
Apr. 06, 2022
Mar. 31, 2021
Dec. 31, 2013
Goodwill [Line Items]              
Amortization of intangible assets $ 600,000 $ 200,000          
Impairment of intangible assets 4,023,000 0          
Goodwill 20,520,000     $ 31,807,000      
Impairment of goodwill 11,287,000 0          
Content Production & Distribution              
Goodwill [Line Items]              
Goodwill 20,520,000     31,807,000      
Impairment of goodwill 11,287,000            
Media Advisory & Advertising Services              
Goodwill [Line Items]              
Goodwill 0     $ 0      
Impairment of goodwill 0            
GBI and Ameba              
Goodwill [Line Items]              
Impairment of intangible assets 2,800,000            
Frederator | Trade Names              
Goodwill [Line Items]              
Impairment of intangible assets 1,300,000            
A Squared | Content Production & Distribution              
Goodwill [Line Items]              
Goodwill             $ 10,400,000
Beacon Media Group | Media Advisory & Advertising Services              
Goodwill [Line Items]              
Goodwill           $ 9,700,000  
Ameba and Wow              
Goodwill [Line Items]              
Goodwill, acquired during period     $ 1,500,000        
Wow              
Goodwill [Line Items]              
Goodwill         $ 21,398,000    
Goodwill, tax basis step-up     $ 21,400,000        
Wow | Trade Names              
Goodwill [Line Items]              
Amortization of intangible assets $ 7,200,000            
Ameba              
Goodwill [Line Items]              
Goodwill, tax basis step-up   $ 800,000