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Condensed Consolidated Statements of Comprehensive Loss (Parenthetical) - USD ($)
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Stock-based compensation $ 520,801 $ 266,439
Station Operating Expenses [Member]    
Stock-based compensation 70,931 130,120
Corporate General and Administrative Expenses [Member]    
Stock-based compensation $ 449,870 $ 136,319