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Summary of Significant Accounting Policies - Additional Information (Details) - USD ($)
19 Months Ended
Nov. 13, 2020
Sep. 30, 2020
Jun. 30, 2020
Significant Accounting Policies [Line Items]      
Operating costs of personnel   100.00%  
Deferred tax assets valuation allowance   $ 15,600,000 $ 15,600,000
Senior Credit Facility | FCC Licenses      
Significant Accounting Policies [Line Items]      
Formula based percentage on fair value of licenses   60.00%  
Subsequent Event | Senior Credit Facility      
Significant Accounting Policies [Line Items]      
Debt service obligations $ 7,700,000    
Debt service obligations due date Nov. 13, 2021    
Fair Value Measurements Recurring | Level 3      
Significant Accounting Policies [Line Items]      
Assets   $ 0  
Liabilities   $ 0