Three Months Ended

Nine Months Ended

September 30,

2021

2020

2021

2020

Basic:

Net income (loss)

$

13,052

$

(153,125)

$

(54,252)

$

(165,950)

Weighted average basic number of common shares outstanding

16,270

16,204

16,257

16,204

Basic net income (loss) per share of common stock

$

0.80

$

(9.45)

$

(3.34)

$

(10.24)

Diluted:

Net income (loss)

$

13,052

$

(153,125)

$

(54,252)

$

(165,950)

Weighted average basic number of common shares outstanding

16,270

16,204

16,257

16,204

Common stock equivalent shares representing shares issuable upon:

Exercise of Series A Warrants

Anti-dilutive

Exercise of Series B Warrants

Anti-dilutive

Exercise of Series C Warrants

Anti-dilutive

Exercise of stock options

Anti-dilutive

Vesting of restricted stock units

158

Anti-dilutive

Weighted average diluted number of common shares outstanding

16,428

16,204

16,257

16,204

Diluted net income (loss) per share of common stock

$

0.79

$

(9.45)

$

(3.34)

$

(10.24)