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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