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Consolidated Statements of Comprehensive Loss (Parenthetical) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Stock-based compensation | $ 1,058,903 | $ 1,383,456
Unrecognized actuarial gains (losses) on postretirement plans, income tax benefit | 542,438 | 140,151
Station Operating Expenses [Member] |  |
Stock-based compensation | 193,738 | 317,938
Corporate General and Administrative Expenses [Member] |  |
Stock-based compensation | $ 865,165 | $ 1,065,518

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