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Acquisition (Details) - USD ($)
Mar. 31, 2021
Jan. 27, 2021
Dec. 31, 2020
Business Combinations [Abstract]      
Net purchase price, including debt paid at close   $ 23,554,169  
Plus fair value of liabilities assumed:      
Deferred revenue   40,812  
Fair value of liabilities assumed   40,812  
Less fair value of assets acquired:      
Cash & short-term investments   885,272  
Other tangible assets   542,978  
Identifiable intangibles   3,133,141  
Fair value of assets acquired   4,561,391  
Net nonoperating assets   25,000  
Goodwill $ 22,116,591 $ 19,008,591 $ 3,108,000