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Summary of Price Allocation for Acquisition (Details) - USD ($) | Sep. 30, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | --- | --- | ---
Business Acquisition [Line Items] |  |  |  |
Goodwill | $ 22,861,872 | $ 16,139,377 | $ 16,139,377 | $ 7,324,287
College Spun Media Incorporated [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Cash | 3,772,944 |  |  |
Accounts receivable | 1,833,323 |  |  |
Other current assets | 4,567 |  |  |
Goodwill | 6,722,495 |  |  |
Accrued expenses | (1,500) |  |  |
Deferred tax liabilities | (596,827) |  |  |
Net assets acquired | 11,735,002 |  |  |
Accrued expenses | 1,500 |  |  |
Petametrics Inc [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Accounts receivable | 37,908 | 37,908 |  |
Net assets acquired | 815,289 | 815,289 |  |
Developed technology | 917,762 | 917,762 |  |
Accounts payable | (53,494) | (53,494) |  |
Unearned revenues | (86,887) | 86,887 |  |
Unearned revenues | $ 86,887 | $ (86,887) |  |
TST Acquisition Co, Inc [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Accounts receivable |  |  | 1,586,031 |
Goodwill |  |  | 8,815,090 |
Accrued expenses |  |  | 1,129,009 |
Net assets acquired |  |  | 16,500,000 |
Developed technology |  |  | 4,388,104 |
Accounts payable |  |  | (1,313,223) |
Unearned revenues |  |  | 6,242,335 |
Unearned revenues |  |  | (6,242,335) |
Prepaid expenses |  |  | 1,697,347 |
Restricted cash |  |  | 500,000 |
Other current assets |  |  | 53,001 |
Other long-term assets |  |  | 689,512 |
Property and equipment |  |  | 718,475 |
Operating right-of-use assets |  |  | 1,395,474 |
Trade name |  |  | 2,580,000 |
Subscriber relationships |  |  | 2,150,000 |
Advertiser relationships |  |  | 2,240,000 |
Database |  |  | 1,140,000 |
Accrued expenses |  |  | (1,129,009) |
Other current liabilities |  |  | (373,836) |
Operating lease liabilities |  |  | (2,394,631) |
Authentic Brand Group SI LLC [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Accounts receivable |  |  | 337,481 |
Deferred tax liabilities |  |  | (19,541,127) |
Net assets acquired |  |  | 331,026 |
Unearned revenues |  |  | 47,249,470 |
Unearned revenues |  |  | (47,249,470) |
Prepaid expenses |  |  | 1,534,922 |
Subscriber relationships |  |  | 71,308,799 |
Other current liabilities |  |  | (632,056) |
Subscription refund liability |  |  | $ (5,427,523) |

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