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Schedule of Contract with Customer, Asset and Liability (Details) - USD ($)
Jun. 30, 2021
Dec. 31, 2020
Dec. 31, 2019
Disaggregation of Revenue [Line Items]      
Unearned revenues (short-term contract liabilities) $ 71,898,175 $ 61,625,676 $ 32,163,087
Unearned revenues (long-term contract liabilities) 28,160,455 23,498,597 31,179,211
Digital Subscriptions [Member]      
Disaggregation of Revenue [Line Items]      
Unearned revenues (short-term contract liabilities) 19,358,809 15,039,331 8,634,939
Unearned revenues (long-term contract liabilities) 685,039 593,136 478,557
Magazine Circulation [Member]      
Disaggregation of Revenue [Line Items]      
Unearned revenues (short-term contract liabilities) 52,539,366 46,586,345 23,528,148
Unearned revenues (long-term contract liabilities) 27,297,916 22,712,961 30,478,154
Service, Other [Member]      
Disaggregation of Revenue [Line Items]      
Unearned revenues (long-term contract liabilities) $ 177,500 192,500  
Product and Service, Other [Member]      
Disaggregation of Revenue [Line Items]      
Unearned revenues (long-term contract liabilities)   $ 192,500 $ 222,500