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Condensed Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Stock-based compensation			$ 1,778,630	$ 1,513,677
Unrealized losses on securities, income tax benefit		$ 726		16,463
Unrecognized actuarial gains (losses) on postretirement plans, income tax expense (benefit)				40,697
Reclassification of other comprehensive income due to termination of pension plan, income tax benefit			261,358
Station Operating Expenses [Member]
Stock-based compensation	$ 156,338	69,815	529,802	203,530
Corporate General and Administrative Expenses [Member]
Stock-based compensation	$ 301,116	$ 472,167	$ 1,248,828	$ 1,310,147

X

- Definition

Amount of tax expense (benefit) for (increase) decrease in value of benefit obligation for change in actuarial assumptions and increase (decrease) in value of plan assets from experience different from that assumed of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit.

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Amount of tax (expense) benefit for reclassification adjustment from accumulated other comprehensive (income) loss of defined benefit plan.

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Amount of tax expense (benefit) before reclassification adjustments of unrealized holding gain (loss) on available-for-sale securities.

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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