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Revenue - Composition of Revenue (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Net revenue	$ 256,381,018	$ 241,426,308
Audio [Member]
Disaggregation of Revenue [Line Items]
Net revenue	213,036,307	206,460,883
Digital [Member]
Disaggregation of Revenue [Line Items]
Net revenue	40,755,164	32,743,850
Other [Member]
Disaggregation of Revenue [Line Items]
Net revenue	$ 2,589,547	$ 2,221,575

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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