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Segment Information - Summary of Reportable Segment Information (Detail) - USD ($)
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Segment Reporting Information [Line Items]      
Net revenue $ 256,381,018 $ 241,426,308  
Operating expenses 213,236,063 199,470,185  
Corporate expenses 18,001,359 16,578,046  
Depreciation and amortization 9,920,546 11,309,995  
Gain on exchange (3,350,539) 0  
Gain on disposition 0 (191,988)  
Other operating (income) expense, net 0 (400,000)  
Operating income (loss) (34,300,881) 14,660,070  
Capital expenditures 13,679,311 4,498,768  
Property and equipment, net 55,807,047 49,843,166  
FCC licenses 487,249,798 508,413,913 $ 508,558,355
Goodwill 13,265,460 28,596,547  
Other intangibles, net 8,219,939 22,697,207  
Impairment losses 52,874,470    
Audio [Member]      
Segment Reporting Information [Line Items]      
Net revenue 213,036,307 206,460,883  
Operating expenses 173,011,492 163,639,369  
Depreciation and amortization 6,277,953 7,514,406  
Gain on exchange (3,350,539)    
Gain on disposition   (191,988)  
Other operating (income) expense, net   500,000  
Operating income (loss) (1,497,069) 34,999,096  
Capital expenditures 13,160,276 4,409,592  
Property and equipment, net 51,941,687 45,696,008  
FCC licenses 487,249,798 508,413,913  
Goodwill 10,582,360 25,377,447  
Other intangibles, net 1,841,001 1,974,093  
Impairment losses 38,594,470    
Digital [Member]      
Segment Reporting Information [Line Items]      
Net revenue 40,755,164 32,743,850  
Operating expenses 36,398,687 32,355,572  
Depreciation and amortization 102,402 12,885  
Operating income (loss) 4,254,075 375,393  
Capital expenditures 58,300 87,432  
Property and equipment, net 112,693 74,547  
Goodwill 922,000    
Other intangibles, net 992,752    
Other [Member]      
Segment Reporting Information [Line Items]      
Net revenue 2,589,547 2,221,575  
Operating expenses 3,825,884 3,475,244  
Depreciation and amortization 2,772,489 3,148,595  
Operating income (loss) (18,288,826) (4,402,264)  
Capital expenditures 59,084 2,852  
Property and equipment, net 67,751 21,644  
Goodwill 1,761,100 3,219,100  
Other intangibles, net 5,206,523 20,543,451  
Impairment losses 14,280,000    
Corporate [Member]      
Segment Reporting Information [Line Items]      
Corporate expenses 18,001,359 16,578,046  
Depreciation and amortization 767,702 634,109  
Other operating (income) expense, net   (900,000)  
Operating income (loss) (18,769,061) (16,312,155)  
Capital expenditures 401,651 (1,108)  
Property and equipment, net 3,684,916 4,050,967  
Other intangibles, net $ 179,663 $ 179,663