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Share Based Compensation (Tables)
 3 Months Ended
Mar. 31, 2021
Share-based Payment Arrangement, Noncash Expense [Abstract]  
Schedule of Stock Based Compensation

All stock-based compensation is included in operating expenses for the periods as follows:

 

    Three Months Ended  
    March 31,  
    2021     2020  
Compensation cost recognized:                
Selling, general & administrative   $ 707,410     $ 79,289  
Research & development     273,223       6,753  
    $ 980,633     $ 86,042  
Schedule of Stock Option Activity

Stock option activity under the 2015 Stock Option Plan (the “Plan”) during the period indicated below were as follows:

 

    Number of Shares Subject to Issuance     Weighted-average Exercise Price     Weighted-average Remaining Contractual Term     Aggregate Intrinsic Value  
                         
Outstanding at December 31, 2020     637,882     $ 2.50       2.55 years     $ 5,686,421  
Granted     221,843       10.38                  
Exercised     (332,301 )     2.37                  
Outstanding at March 31, 2021     527,424     $ 5.89       3.58 years     $ 1,768,591  
                                 
Exercisable at March 31, 2021     160,860     $ 2.59       2.27 years     $ 932,022  
Schedule of Restricted Stock Units Outstanding

The compensation expense incurred by the Company for RSUs is based on the closing market price of the Company’s common stock on the date of grant and is amortized ratably on a straight-line basis over the requisite service period and charged to general and administrative expense with a corresponding increase to additional paid-in capital.

 

    Number of
Shares		     Weighted
Average
Grant Date
Fair Value		     Aggregate
Intrinsic
Value		  
                   
Outstanding at December 31, 2020     1,754     $ 11.40     $ -  
Granted     405,576       10.62          
Vested and settled in shares     (1,754 )     11.40          
                         
Outstanding at March 31, 2021     405,576     $ 10.62     $ 11,568  
Schedule of Performance Stock Units

For both conditions, compensation expense is charged to selling, general and administrative and research and development expense with a corresponding increase to additional paid-in capital.

 

    Number of
Shares		     Weighted
Average
Grant Date
Fair Value		     Aggregate
Intrinsic
Value		  
                   
Outstanding at December 31, 2020     265,942     $ 7.91     $ -  
Granted and Vested     -       -          
                         
Outstanding at March 31, 2021     265,942     $ 7.91     $ -