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Revenue (Tables)

9 Months Ended

Sep. 30, 2020

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,
		2019				2020				2019				2020
Commercial advertising		$	57,312,548			$	42,168,479			$	164,470,136			$	114,014,198
Digital advertising			4,908,072				4,994,487				13,162,700				14,344,768
Other			3,894,081				2,486,693				11,828,167				9,324,251
		$	66,114,701			$	49,649,659			$	189,461,003			$	137,683,217

Deferred Revenue

		December 31,  2019				September 30,  2020
Deferred revenue		$	3,639,077			$	4,875,467

		Three months ended September 30,								Nine months ended September 30,
		2019				2020				2019				2020
Losses on receivables		$	107,224			$	965,864			$	465,620			$	2,054,342

Trade Sale Revenue

		December 31,  2019				September 30,  2020
Trade sales receivable		$	1,691,295			$	1,131,332
Trade sales payable			2,180,783				974,333

		Three months ended September 30,								Nine months ended September 30,
		2019				2020				2019				2020
Trade sales revenue		$	2,005,613			$	1,211,223			$	6,513,855			$	3,755,119

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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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