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Net Revenue - Composition of Revenue (Detail) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Disaggregation of Revenue [Line Items]
Net revenue	$ 60,119,757	$ 63,823,288	$ 181,360,600	$ 184,354,006
Audio [Member]
Disaggregation of Revenue [Line Items]
Net revenue	48,332,715	52,995,670	146,198,774	153,778,711
Digital [Member]
Disaggregation of Revenue [Line Items]
Net revenue	11,177,881	10,241,671	33,455,935	28,769,331
Other [Member]
Disaggregation of Revenue [Line Items]
Net revenue	$ 609,161	$ 585,947	$ 1,705,891	$ 1,805,964

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