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Other Intangibles - Summary of Other Intangibles Acquired (Detail) - USD ($)	Dec. 31, 2018	Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items]
Finite lived intangible assets	$ 3,103,530	$ 1,639,530
Less accumulated amortization	(1,395,064)	(1,115,113)
Finite lived intangible assets net	1,708,466	524,417
Other intangibles, net	2,823,178	550,058
Advertiser Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite lived intangible assets	2,819,879	1,355,879
Advertiser Lists [Member]
Finite-Lived Intangible Assets [Line Items]
Finite lived intangible assets	16,251	16,251
Sports Program Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Finite lived intangible assets	267,400	267,400
Brand [Member]
Finite-Lived Intangible Assets [Line Items]
Indefinite lived intangible assets net	1,085,888	0
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Indefinite lived intangible assets net	$ 28,824	$ 25,641

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