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Segment Information - Summary of Reportable Segment Information (Detail) - USD ($)
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Segment Reporting Information [Line Items]      
Net revenue $ 57,779,120 $ 55,720,268  
Operating expenses 50,653,655 49,830,436  
Corporate expenses 4,483,095 4,233,460  
Depreciation and amortization 2,229,325 2,515,900  
Impairment loss   1,857,226  
Operating income (loss) 413,045 (2,716,754)  
Capital expenditures 1,169,280 1,386,750  
Property and equipment, net 54,605,751   $ 55,807,047
FCC licenses 487,249,798   487,249,798
Goodwill 13,265,460   13,265,460
Other intangibles, net 7,977,918   8,219,939
Audio [Member]      
Segment Reporting Information [Line Items]      
Net revenue 47,417,966 47,365,145  
Operating expenses 39,899,594 40,683,812  
Depreciation and amortization 1,774,764 1,621,827  
Impairment loss   1,857,226  
Operating income (loss) 5,743,608 3,202,280  
Capital expenditures 1,138,114 1,181,994  
Property and equipment, net 50,931,567   51,941,687
FCC licenses 487,249,798   487,249,798
Goodwill 10,582,360   10,582,360
Other intangibles, net 1,807,728   1,841,001
Digital [Member]      
Segment Reporting Information [Line Items]      
Net revenue 9,976,785 7,808,250  
Operating expenses 9,907,597 8,401,763  
Depreciation and amortization 46,766 4,464  
Operating income (loss) 22,422 (597,977)  
Capital expenditures 2,813 1,844  
Property and equipment, net 108,219   112,693
Goodwill 922,000   922,000
Other intangibles, net 953,273   992,752
Other [Member]      
Segment Reporting Information [Line Items]      
Net revenue 384,369 546,873  
Operating expenses 846,464 744,861  
Depreciation and amortization 196,477 695,348  
Operating income (loss) (658,572) (893,336)  
Capital expenditures 20,122 60,682  
Property and equipment, net 84,136   67,751
Goodwill 1,761,100   1,761,100
Other intangibles, net 5,037,254   5,206,523
Corporate [Member]      
Segment Reporting Information [Line Items]      
Corporate expenses 4,483,095 4,233,460  
Depreciation and amortization 211,318 194,261  
Operating income (loss) (4,694,413) (4,427,721)  
Capital expenditures 8,231 $ 142,230  
Property and equipment, net 3,481,829   3,684,916
Other intangibles, net $ 179,663   $ 179,663