Earnings (Loss) per Share

3 Months Ended

Mar. 31, 2022

Basic and diluted earnings (loss) per share are calculated as follows:


	Three Months Ended March 31,
(in thousands, except share and per share data)	2022		2021
Net income	$	45,663	$	3,019


Net income (loss) attributable to common stockholders	$	45,663	$	3,019

Basic weighted-average common shares outstanding	32,216,641		27,770,063
Weighted average effect of dilutive securities:
Stock options	733,503		1,274,818
Restricted stock units	372,990		575,153

Diluted weighted-average common shares outstanding	33,323,134		29,620,034

Earnings per share:
Basic	$	1.42	$	0.11
Diluted	$	1.37	$	0.10

The following common share equivalent securities have been excluded from the calculation of diluted weighted-average common shares outstanding because the effect is anti-dilutive for the periods presented:


	Three Months Ended March 31,
	2022	2021
Stock options	2,723,777	2,822,785
Restricted stock units	1,692,599	45,306


Total anti-dilutive common share equivalents	4,416,376	2,868,091