Three months ended June 30,

Six months ended June 30,

2022

2021

2022

2021

(in thousands, except per share amounts)

Numerator:

Net income

$

9,655

$

6,348

$

22,985

$

8,842

Interest expense associated with convertible notes

1,273

—

2,546

—

Net income available to common shareholders

$

10,928

$

6,348

$

25,531

$

8,842

Denominator:

Basic weighted average shares outstanding

49,697

48,743

49,702

48,758

Effect of potentially dilutive share-based awards

816

1,707

877

1,553

Dilutive effect of convertible notes

8,942

3,492

8,942

3,228

Diluted weighted average shares outstanding

59,455

53,942

59,521

53,539

Net income per common share:

Basic

$

0.19

$

0.13

$

0.46

$

0.18

Diluted

$

0.18

$

0.12

$

0.43

$

0.17

Potentially dilutive shares excluded from the diluted calculation as their effect would be antidilutive

987

449

645

452

Maximum potential shares to be issued for settlement of the convertible notes excluded from the diluted calculation as their effect would be antidilutive

6,025

8,811

6,025

8,811