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Revenue Recognition - Schedule of Contract with Customer, Asset and Liability (Details) - USD ($) | Jun. 30, 2020 | Dec. 31, 2019
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Unearned revenue (short-term contract liabilities) | $ 55,419,426 | $ 32,163,087
Unearned revenue (long-term contract liabilities) | 14,816,588 | 31,179,211
Digital Subscriptions [Member] |  |
Unearned revenue (short-term contract liabilities) | 12,688,136 | 8,634,939
Unearned revenue (long-term contract liabilities) | 1,473,758 | 478,557
Magazine Circulation [Member] |  |
Unearned revenue (short-term contract liabilities) | 42,731,290 | 23,528,148
Unearned revenue (long-term contract liabilities) | 13,135,330 | 30,478,154
Other [Member] |  |
Unearned revenue (long-term contract liabilities) | $ 207,500 | $ 222,500

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