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Net Revenue - Composition of Revenue (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Disaggregation of Revenue [Line Items]
Net revenue	$ 64,810,450	$ 59,574,705	$ 120,530,718	$ 107,786,745
Audio [Member]
Disaggregation of Revenue [Line Items]
Net revenue	53,417,896	51,215,234	100,783,041	92,944,836
Digital [Member]
Disaggregation of Revenue [Line Items]
Net revenue	10,719,410	7,983,343	18,527,660	13,747,071
Other [Member]
Disaggregation of Revenue [Line Items]
Net revenue	$ 673,144	$ 376,128	$ 1,220,017	$ 1,094,838

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