Year Ended December 31,

2022

2021

2020

Net income (loss)

$

44,296

$

28,217

$

(68,445)

Allocation of earnings to participating securities

(1,429)

(1,172)

(1,338)

Net income (loss) attributable to common stockholders

$

42,867

$

27,045

$

(69,783)

Weighted average common shares outstanding used in basic income (loss) per common share

153,281

151,684

150,828

Effect of dilutive securities:

Performance-based restricted stock units

125

144

—

ESPP shares

4

2

—

Weighted average common shares outstanding used in diluted income (loss) per common share

153,410

151,830

150,828

Anti-dilutive shares excluded from diluted income (loss) per common share

Stock options

—

31

96

Performance-based restricted stock units

—

54

ESPP shares

—

17

Net dilutive potential common shares issuable

—

31

167