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Revenue (Tables)

6 Months Ended

Jun. 30, 2021

Revenue from Contract with Customer [Abstract]

Composition of Revenue

Revenue is comprised of the following:

		Three months ended June 30,								Six months ended June 30,
		2020				2021				2020				2021
Audio		$	25,494,216			$	51,215,234			$	76,407,194			$	92,944,836
Digital			4,066,257				7,983,343				9,350,282				13,747,071
Other			822,659				376,128				2,276,082				1,094,838
		$	30,383,132			$	59,574,705			$	88,033,558			$	107,786,745

Deferred Revenue

		December 31,				June 30,
		2020				2021
Deferred revenue		$	3,732,890			$	3,647,634

		Three months ended June 30,								Six months ended June 30,
		2020				2021				2020				2021
Losses on receivables		$	253,553			$	602,253			$	1,088,478			$	1,697,566

Trade Sale Revenue

		December 31,				June 30,
		2020				2021
Trade sales receivable		$	956,999			$	783,143
Trade sales payable			892,543				756,900

		Three months ended June 30,								Six months ended June 30,
		2020				2021				2020				2021
Trade sales revenue		$	575,636			$	1,075,325			$	2,543,896			$	2,004,922

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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=121604090&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=121604090&loc=SL49130545-203045

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