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Revenue (Tables)

12 Months Ended

Dec. 31, 2019

Revenue from Contract with Customer [Abstract]

Composition of Revenue

Revenue is comprised of the following:

		Year ended December 31,
		2018				2019
Commercial advertising		$	222,763,906			$	223,832,448
Digital advertising			15,485,353				20,297,476
Other revenue			19,245,340				17,424,190
		$	257,494,599			$	261,554,114

Deferred Revenue

		December 31, 2018				December 31, 2019
Deferred revenue		$	1,868,223			$	3,639,077

Trade Sale Revenue

		December 31, 2018				December 31, 2019
Trade sales receivable		$	1,606,283			$	1,691,295
Trade sales payable			1,250,454				2,180,783

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- Definition

Tabular disclosure of trade sales receivable and trade sales payable.

+ References

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- Definition

Tabular disclosure of contract balances and changes in contract balances.

+ 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=118956577&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=118956577&loc=SL49130545-203045

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