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Stockholders' Equity (Tables)
12 Months Ended
Dec. 31, 2020
Equity [Abstract]  
Schedule of Fair Value of Share Based Payment

The fair value of share-based payment units was estimated using the Black-Scholes option pricing model with the following assumptions and weighted average fair values as follows:

 

    Year Ended December 31, 2019  
Valuation assumptions:        
Grant price   $ 2.68  
Exercise price   $ 2.68  
Expected dividend yield     0 %
Expected volatility     84.92 %
Expected life (in years)     5  
Risk-free interest rate     2.49 %

 

Schedule of Stock Option Activity

Stock option activity under the Plans during the periods indicated below is as follows:

 

   

 

Number of

Shares

Subject to

Issuance

   

 

Weighted-

average

Exercise

Price

   

Weighted-

average

Remaining

Contractual

Term

 

 

Aggregate

Intrinsic

Value

 
                       
Outstanding at December 31, 2018     1,072,332     $ 1.44     1.85 years     -  
                             
Granted     444,163       2.68              
Exercised     (94,872 )     2.08              
Outstanding at December 31, 2019     1,421,623     $ 1.78     1.96 years   $ 8,113,777  
                             
Granted     -       -              
Exercised     (783,741 )     1.20              
Outstanding at December 31, 2020     637,882     $ 2.50     2.55 years   $ 5,686,421  
                             
Exercisable at December 31, 2020     359,967     $ 2.33     2.20 years   $ 3,269,723  
Summary of Stock Options

The following is a summary of stock options as of December 31, 2020:

 

    Options Outstanding     Options Exercisable  
Range of Exercise Prices   Number of
Options
    Weighted-
average
Remaining Life
  Weighted-
average
Exercise
Price
    Number of
Options
    Weighted-
average
Exercise
Price
 
$1.01 to $1.56     71,719      0.17 years   $ 1.02       71,719     $ 1.16  
$1.75 to $2.87     566,163      2.85 years   $ 2.68       288,248     $ 2.65  
      637,882      2.55 years   $ 2.50       359,967     $ 2.33  
Schedule of Restricted Stock Units Outstanding

Restricted stock unit activity under the Plans during the periods indicated below is as follows:

 

    Number of
Shares
    Weighted
Average
Grant Date
Fair Value
    Aggregate
Intrinsic
Value
 
                   
Outstanding at December 31, 2018     -     $ -       -  
                         
Granted     12,477       5.53          
Vested and Settled in shares     (9,807 )     5.00          
Outstanding at December 31, 2019     2,670     $ 7.49     $ -  
                         
Granted     38,855       5.78          
Vested and Settled in shares     (39,771 )     5.65          
Outstanding December 31, 2020     1,754     $ 11.40     $ -  
Schedule of Performance Stock Units Outstanding
    Number of
Shares
    Weighted
Average
Grant Date
Fair Value
    Aggregate
Intrinsic
Value
 
                   
Outstanding at December 31, 2019     -     $ -     $ -  
Granted     265,942       7.91          
                         
Outstanding at December 31, 2020     265,942     $ 7.91     $ -  
Schedule of Share Based Compensation Expense

Share based compensation expense for the years ended December 31, 2020 and 2019 is as follows:

 

    Years Ended December 31,  
Compensation cost recognized:   2020     2019  
Stock options   $ 198,407     $ 515,805  
Restricted stock units     140,000       69,060  
Performance stock units     71,070       -  
    $ 409,477     $ 584,865  
Schedule of Stock Based Compensation

Share based compensation is included in operating expenses as follows:

 

    Years Ended December 31,  
    2020     2019  
Selling, general and administrative   $ 366,780     $ 561,391  
Research and development     42,697       23,474  
    $ 409,477     $ 584,865