Three months ended September 30,

Nine months ended September 30,

2020

2019

2020

2019

(in thousands, except per share amounts)

Net income (loss)

$

580

$

(11,767)

$

(8,290)

$

(45,862)

Net income (loss) per common share:

Basic

$

0.01

$

(0.25)

$

(0.17)

$

(0.97)

Diluted

$

0.01

$

(0.25)

$

(0.17)

$

(0.97)

Basic weighted average shares outstanding

48,341

47,489

48,327

47,361

Effect of potentially dilutive share-based awards

833

—

Diluted weighted average shares outstanding

49,174

47,489

48,327

47,361

Common share equivalents excluded from the diluted weighted average shares outstanding since the Company incurred a net loss and their effect would be antidilutive

N/A

403

650

302

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

984

1,874

1,029

1,893

Maximum potential shares to be issued for settlement of the 2023 and 2027 Notes excluded from the diluted calculation as their effect would be antidilutive

15,354

8,618

15,354

8,618