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Revenue (Tables)

9 Months Ended

Sep. 30, 2021

Revenue from Contract with Customer [Abstract]

Composition of Revenue

Revenue is comprised of the following:

		Three months ended September 30,								Nine months ended September 30,
		2020				2021				2020				2021
Audio		$	44,159,807			$	54,043,650			$	120,567,001			$	146,988,486
Digital			4,994,487				8,318,112				14,344,769				22,065,183
Other			495,365				541,173				2,771,447				1,636,011
		$	49,649,659			$	62,902,935			$	137,683,217			$	170,689,680

Deferred Revenue

Trade Sale Revenue

		Three months ended September 30,								Nine months ended September 30,
		2020				2021				2020				2021
Trade sales revenue		$	1,211,223			$	1,781,124			$	3,755,119			$	3,786,046

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- Definition

Tabular disclosure of trade sales receivable and trade sales payable.

+ References

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- Definition

Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130551-203045

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- Definition

Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045

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