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Earnings per Share
 9 Months Ended
Sep. 30, 2022
Earnings Per Share [Abstract]  
Earnings per Share Earnings per Share
The following weighted average shares and share equivalents were used to calculate basic and diluted earnings per share ("EPS") for the three and nine months ended September 30, 2022 and 2021:
 Three Months Ended September 30,Nine Months Ended September 30,
 2022202120222021
Weighted average number of shares outstanding used to calculate basic EPS3,265,914 3,561,374 3,312,145 3,618,724 
Dilutive securities:
Stock options and restricted share units205,473 280,559 231,559 273,953 
Weighted average number of shares and share equivalents outstanding used to calculate diluted EPS3,471,387 3,841,933 3,543,704 3,892,677 

The following non-qualified stock options ("Options") and restricted stock units ("RSUs") issued under equity incentive plans were outstanding during the three and nine months ended September 30, 2022 and 2021, but were not included in the computation of diluted EPS because the effect would have been anti-dilutive.
 Three Months Ended September 30,Nine Months Ended September 30,
 2022202120222021
Anti-dilutive securities203,340 16,022 193,248 22,132