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Net Loss Per Share (Tables)
6 Months Ended
Jun. 30, 2019
Earnings Per Share [Abstract]  
Calculation of Weighted Average Number of Shares Outstanding and Loss Per Share Outstanding

The calculations of the weighted average number of shares outstanding and loss per share outstanding for the three and six months ended June 30, 2019 and 2018 are as follows:

 

   Three Months Ended
June 30,
   Six Months Ended
June 30,
 
   2019   2018   2019   2018 
Numerator for basic and diluted income per share – Net loss  $(387,730)  $(2,962,890)  $(3,592,904)  $(5,551,122)
                     
Denominator for basic loss per share – weighted average shares outstanding   11,305,248    7,129,260    11,124,222    7,153,219 
Dilutive effect of shares issuable under stock options and warrants outstanding                
                     
Denominator for diluted loss per share – adjusted weighted average shares outstanding   11,305,248    7,129,260    11,124,222    7,153,219 
                     
Net loss per share:                    
Basic  $(0.03)  $(0.42)  $(0.32)  $(0.78)
Diluted  $(0.03)  $(0.42)  $(0.32)  $(0.78)