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Basic and Diluted Loss per Share (Tables)
6 Months Ended
Jun. 30, 2022
Earnings Per Share [Abstract]  
Summary of Securities Excluded From Calculation of Weighted Average Common Shares
The following outstanding securities, prior to the use of the treasury stock method, have been excluded from the computation of diluted weighted-average shares outstanding for the respective periods below because they would have been antidilutive to earnings per share:

Three and Six Months Ended June 30,
20222021
Stock options2,758,608 3,089,260 
Non-vested restricted stock units1,378,284 1,126,696