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Earnings Per Share (Tables)
9 Months Ended
Sep. 30, 2021
Earnings Per Share [Abstract]  
Schedule of Net Income Per Share
The following table presents the reconciliation of the numerator and denominator for calculating net loss per share:
 Third QuarterFirst Nine Months
(In thousands, except per share data)2021202020212020
Numerator 
Net loss - basic and diluted$(10,485)$(23,870)$(21,845)$(62,262)
Denominator
Weighted average common shares outstanding - basic91,932 90,535 91,264 90,056 
Dilutive effect of stock options and restricted stock awards— — — — 
Dilutive effect of Convertible Notes — — — — 
Weighted average common shares outstanding - diluted91,932 90,535 91,264 90,056 
Net loss per common share
Basic$(0.11)$(0.26)$(0.24)$(0.69)
Diluted$(0.11)$(0.26)$(0.24)$(0.69)
Schedule of Weighted-Average Potential Shares Excluded From Diluted Net Income Per Share
We excluded the following weighted-average potential shares from the calculations of diluted net loss per share during the applicable periods because their inclusion would have been anti-dilutive:
 Third QuarterFirst Nine Months
(In thousands)2021202020212020
Stock options and restricted stock awards5,954 5,608 5,708 5,172