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Summary of Significant Accounting Policies (Details Textual) - USD ($)
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Summary of Significant Accounting Policies (Textual)      
Insurance reserve $ 1,747,134   $ 2,113,039
Advertising expense $ 582,244 $ 785,228  
Stock options and warrants 251,846 2,680,093  
Restricted stock 789,289 403,100  
Insured by Federal Deposit Insurance Corporation $ 250,000    
Accounts receivable, reserve allowance $ 0   $ 0