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Segment Information - Summary of Reportable Segment Information (Detail) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Segment Reporting Information [Line Items]          
Net revenue $ 50,977,046 $ 58,190,116 $ 152,889,222 $ 173,006,119  
Operating expenses 46,084,806 49,946,133 136,076,265 148,534,924  
Corporate expenses 2,161,204 4,296,615 9,949,909 12,584,218  
Depreciation and amortization 1,530,090 1,788,126 4,771,435 5,455,622  
Other operating expenses 1,737,622   1,737,622    
Goodwill impairment loss   922,000   922,000  
Operating income (loss) (536,676) 1,237,242 353,991 5,509,355  
Capital expenditures 2,221,503 642,189 3,594,841 2,627,040  
Property and equipment, net 43,774,996   43,774,996   $ 47,000,978
FCC licenses 379,526,349   379,526,349   392,259,831
Other intangibles, net 1,446,174   1,446,174   2,082,098
Assets held for sale 6,183,987   6,183,987    
Audio [Member]          
Segment Reporting Information [Line Items]          
Net revenue 38,030,320 46,889,920 116,002,560 137,748,127  
Operating expenses 35,863,262 39,516,786 107,353,557 117,418,596  
Depreciation and amortization 1,400,601 1,566,575 4,330,896 4,757,501  
Other operating expenses 1,737,622   1,737,622    
Operating income (loss) (971,165) 5,806,559 2,580,485 15,572,030  
Capital expenditures 899,023 417,497 1,711,884 2,080,587  
Property and equipment, net 39,407,176   39,407,176   44,089,751
FCC licenses 379,526,349   379,526,349   392,259,831
Other intangibles, net 1,446,174   1,446,174   1,574,817
Assets held for sale 6,183,987   6,183,987    
Digital [Member]          
Segment Reporting Information [Line Items]          
Net revenue 12,946,726 11,300,196 36,886,662 35,257,992  
Operating expenses 10,221,544 10,429,347 28,722,708 31,116,328  
Depreciation and amortization 14,419 36,801 77,395 141,680  
Goodwill impairment loss   922,000   922,000  
Operating income (loss) 2,710,763 (87,952) 8,086,559 3,077,984  
Capital expenditures (1,713) (8,925)      
Property and equipment, net         63,220
Other intangibles, net         327,618
Corporate [Member]          
Segment Reporting Information [Line Items]          
Corporate expenses 2,161,204 4,296,615 9,949,909 12,584,218  
Depreciation and amortization 115,070 184,750 363,144 556,441  
Operating income (loss) (2,276,274) (4,481,365) (10,313,053) (13,140,659)  
Capital expenditures 1,324,193 $ 233,617 1,882,957 $ 546,453  
Property and equipment, net $ 4,367,820   $ 4,367,820   2,848,007
Other intangibles, net         $ 179,663