Three Months Ended

Six Months Ended

June 30,

2021

2020

2021

2020

Basic:

Net income (loss)

$

(33,929)

$

(127,316)

$

(67,304)

$

(12,825)

Weighted average basic number of common shares outstanding

16,268

16,204

16,250

16,204

Basic net income (loss) per share of common stock

$

(2.09)

$

(7.86)

$

(4.14)

$

(0.79)

Diluted:

Net income (loss)

$

(33,929)

$

(127,316)

$

(67,304)

$

(12,825)

Weighted average basic number of common shares outstanding

16,268

16,204

16,250

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

Anti-dilutive

Weighted average diluted number of common shares outstanding

16,268

16,204

16,250

16,204

Diluted net income (loss) per share of common stock

$

(2.09)

$

(7.86)

$

(4.14)

$

(0.79)