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Earnings (Loss) Per Share
 9 Months Ended
Sep. 30, 2021
Earnings Per Share [Abstract]  
Earnings (Loss) Per Share Earnings (Loss) Per Share
The following table sets forth the computation of basic and diluted earnings (loss) per share:
Three Months Ended
September 30,		Nine Months Ended September 30,
(in thousands, except per share data)2021202020212020
Numerator:  
Net income (loss)$8,199 $(10,539)$12,179 $(18,674)
Denominator:  
Denominator for basic earnings per share - weighted average shares
9,287 9,105 9,237 9,079 
Effect of dilutive securities:  
Employee stock options and stock grants116 — 111 — 
Denominator for diluted earnings per share - weighted average shares
9,403 9,105 9,348 9,079 
Net income (loss) per share:
Basic$0.88 $(1.16)$1.32 $(2.06)
Diluted$0.87 $(1.16)$1.30 $(2.06)

The diluted earnings per share calculations exclude the effect of potentially dilutive shares when the inclusion of those shares in the calculation would have an anti-dilutive effect. The Company had 0.2 million shares of common stock that were anti-dilutive for the three and nine months ended September 30, 2021, respectively. The Company had 0.3 million and 0.2 million shares of common stock that were anti-dilutive for the three and nine months ended September 30, 2020, respectively.