Quarterly report pursuant to Section 13 or 15(d)

Stock Options, Warrants and Restricted Common Stock (Schedule of Award Activity) (Details)

v3.21.2
Stock Options, Warrants and Restricted Common Stock (Schedule of Award Activity) (Details) - Other common stock purchase options [Member] - USD ($)
6 Months Ended 12 Months Ended
Jun. 30, 2021
Dec. 31, 2020
Shares Underlying Options/Warrants    
Outstanding, beginning 2,061,770  
Exercised (1,672,892)  
Forfeited (388,878)  
Outstanding, ending 2,061,770
Weighted Average Exercise Price    
Outstanding, beginning $ 32.33  
Exercised 1.94  
Forfeited 40.00  
Outstanding, ending $ 32.33
Weighted Average Remaining Contractual Term (Years)    
Outstanding   1 year 1 month 6 days
Aggregate Intrinsic Value    
Outstanding $ 6,256
Exercisable