Income per Share (Tables)

9 Months Ended

Sep. 30, 2021

Earnings Per Share [Abstract]

Reconciliation of the Basic and Diluted Income Per Share Computations

The following table presents the calculation of basic and diluted income per share for the three and nine months ended September 30, 2021 and 2020:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
	(in thousands, except per share data)
Net income attributable to Fulgent	$	122,522	$	46,638	$	403,025	$	48,003
Weighted-average common shares—outstanding, basic		29,673		22,062		29,221		21,793
Weighted-average common shares—outstanding, diluted		31,170		23,539		30,906		23,135
Net income per common share, basic	$	4.13	$	2.11	$	13.79	$	2.20
Net income per common share, diluted	$	3.93	$	1.98	$	13.04	$	2.07

Anti-dilutive Securities Excluded from Calculation of Diluted Income Per Share

The following securities have been excluded from the calculation of diluted income per share because their effect would have been anti-dilutive:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
	(in thousands)
Options		5		—		5		10
Restricted Stock Units		241		5		129		167