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Segment Information - Summary of Reportable Segment Information (Detail) - USD ($)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Segment Reporting Information [Line Items]      
Net revenue $ 240,291,611 $ 247,109,258  
Operating expenses 201,768,757 208,247,221  
Corporate expenses 17,272,696 18,246,731  
Depreciation and amortization 7,236,060 8,809,343  
Impairment losses 922,000 99,797,025  
Extinguishment of franchise fee   (6,000,000)  
Gain on dispositions (799,377)    
Operating income (loss) 13,092,098 (81,991,062)  
Capital expenditures 3,013,668 4,189,554  
Property and equipment, net 47,000,978 51,474,754  
FCC licenses 392,259,831 393,006,900 $ 487,249,798
Goodwill 0 922,000 $ 13,265,460
Other intangibles, net 2,082,098 2,722,408  
Audio [Member]      
Segment Reporting Information [Line Items]      
Net revenue 193,561,279 199,481,868  
Operating expenses 160,575,045 163,608,414  
Depreciation and amortization 6,379,197 7,013,118  
Impairment losses   99,797,025  
Operating income (loss) 26,607,037 (70,936,689)  
Capital expenditures 2,463,014 3,901,609  
Property and equipment, net 44,089,751 48,324,618  
FCC licenses 392,259,831 393,006,900  
Other intangibles, net 1,574,817 1,707,909  
Digital [Member]      
Segment Reporting Information [Line Items]      
Net revenue 46,730,332 45,417,296  
Operating expenses 41,193,712 40,844,592  
Depreciation and amortization 173,164 188,790  
Impairment losses 922,000    
Operating income (loss) 4,441,456 4,383,914  
Capital expenditures   13,184  
Property and equipment, net 63,220 95,003  
Goodwill   922,000  
Other intangibles, net 327,618 834,836  
Other [Member]      
Segment Reporting Information [Line Items]      
Net revenue   2,210,094  
Operating expenses   3,794,215  
Depreciation and amortization   770,029  
Extinguishment of franchise fee   (6,000,000)  
Operating income (loss)   3,645,850  
Capital expenditures   25,534  
Property and equipment, net   74,081  
Corporate [Member]      
Segment Reporting Information [Line Items]      
Corporate expenses 17,272,696 18,246,731  
Depreciation and amortization 683,699 837,406  
Operating income (loss) (17,956,395) (19,084,137)  
Capital expenditures 550,654 249,227  
Property and equipment, net 2,848,007 2,981,052  
Other intangibles, net $ 179,663 $ 179,663