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Net loss per share
6 Months Ended
Jun. 30, 2020
Earnings Per Share [Abstract]  
Net loss per share Net loss per share
Basic earnings per share is computed by dividing net loss by the weighted-average number of common shares outstanding. Diluted earnings per share is computed by dividing net loss by the weighted-average number of common shares plus the effect of any dilutive potential common shares outstanding during the period.
The following tables set forth the computation of basic and diluted net loss per share:
 Three Months Ended June 30,Six Months Ended June 30,
 2020201920202019
Numerator       
Net loss$(181,427) $(41,789) $(294,114) $(113,902) 
Denominator     
Denominator for basic and diluted net loss per share65,150,780  55,912,748   63,769,958  57,113,141  
Net loss per share:     
Basic and diluted$(2.78) *$(0.75) *$(4.61) *$(1.99) *
*In the three and six months ended June 30, 2020 and 2019, the Company experienced a net loss and therefore did not report any dilutive share impact.
The following table shows historical dilutive common share equivalents outstanding, which are not included in the above historical calculation, as the effect of their inclusion is anti-dilutive during each period.
 As of June 30,
 20202019
Stock Options11,954,684  10,853,301  
Unvested restricted stock awards and units936,922  665,002  
Total12,891,606  11,518,303