The following table presents the calculation of basic and diluted net income per share of common stock for the years ended December 31, 2022, 2021 and 2020:


	Year Ended December 31,
(in thousands, except for share and per share amounts)	2022		2021		2020
Numerator:
Net income	$	6,275	$	33,152	$	23,337
Denominator:
Weighted average shares outstanding, basic	56,461,877		55,548,122		54,427,683
Effect of dilutive securities	521,294		1,373,714		763,119
Weighted average shares outstanding, diluted	56,983,171		56,921,836		55,190,802
Net income per share, basic and diluted:
Basic	$	0.11	$	0.60	$	0.43
Diluted	$	0.11	$	0.58	$	0.42
Antidilutive securities excluded from calculations of diluted net income per share	4,786,891		2,176,944		3,407,409