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Consolidated Statements of Comprehensive Loss (Parenthetical) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Stock-based compensation	$ 1,383,456	$ 750,670
Unrecognized actuarial gains (losses) on postretirement plans, income tax benefit	140,151	355,662
Station Operating Expenses [Member]
Stock-based compensation	317,938	333,012
Corporate General and Administrative Expenses [Member]
Stock-based compensation	$ 1,065,518	$ 417,658

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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- Definition

Amount of noncash expense for share-based payment arrangement.

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