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Earnings Per Share (Tables)
9 Months Ended
Sep. 30, 2021
Earnings Per Share [Abstract]  
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share
The following represents the common stock equivalents that were excluded from the computation of diluted shares outstanding because their effect would have been anti-dilutive for the three and nine months ended September 30, 2021 and 2020:
 Three Months Ended September 30,Nine Months Ended September 30,
2021202020212020
Stock options9,640 9,945 9,640 9,945 
Restricted stock— 31,648 63,207 31,648 
Series A redeemable convertible preferred stock87,815 87,815 87,815 87,815 
Total anti-dilutive common stock equivalents97,455 129,408 160,662 129,408